
 Eastern Goldfields Unit Descriptions   as at 30/03/01

plot_symb   lith_desc

 
Qa      Clay, silt, sand and gravel in and near active stream channels; alluvial                                                                                                                                                                                      
Qac     Clay in claypans                                                                                                                                                                                                                                              
Cza     Clay, silt and sand; pebbly in places; colluvial, distal                                                                                                                                                                                                      
Czb     Clay and dune sand, adjacent to playas (clay dominant)                                                                                                                                                                                                        
Czb2    Clay and dune sand, adjacent to and including small playas (clay dominant)                                                                                                                                                                                    
Czc     Gravel, talus, sand; colluvial, proximal                                                                                                                                                                                                                      
Czcl    Sandy colluvium with limonitic pisoliths on low plateaus on weathered granitoid                                                                                                                                                                               
Czd     Quartz and gypsum dunes with minor silt and clay adjacent to playas (dunes dominant)                                                                                                                                                                          
Czf     Pebbly colluvium and alluvium derived from laterite                                                                                                                                                                                                           
Czf2    Pebbly colluvium and alluvium derived from ironstone debris                                                                                                                                                                                                   
Czg     Colluvial sand and gravel derived from quartzofeldspathic rock                                                                                                                                                                                                
Czh     Silt, sand and gravel in halophyte flats adjacent to playas                                                                                                                                                                                                   
Czi     Detritus and talus, derived from banded iron-formation                                                                                                                                                                                                        
Czk     Calcrete                                                                                                                                                                                                                                                      
Czl     Lateritic duricrust, massive and rubbly                                                                                                                                                                                                                       
Czo     Conglomerate; angular clasts of silicified siltstone, chert and ironstone in very fine-grained siliceous matrix                                                                                                                                               
Czp     Evaporites, sand and clay in playas                                                                                                                                                                                                                           
Czq     Talus and quartz-rich detritus derived from quartz veins                                                                                                                                                                                                      
Czs     Sand plain                                                                                                                                                                                                                                                    
Czs2    Sand plain and dunes                                                                                                                                                                                                                                          
Czsd    Sand dunes, yellow                                                                                                                                                                                                                                            
Czsv    Sand, minor silt and clay; unconsolidated, restricted to old valley systems                                                                                                                                                                                   
Czt     Ferruginous buckshot gravel flats and small tree-rimmed clay pans                                                                                                                                                                                             
Czu     Silcrete on or derived from ultramafic rock                                                                                                                                                                                                                   
Czur    Rubble derived from silcrete on ultramafic rock                                                                                                                                                                                                               
Czv     Perched alluvium                                                                                                                                                                                                                                              
Czy     Kopi - lithified gypsum and clay in mounds and dunes                                                                                                                                                                                                          
Czz     Silcrete over granitoid                                                                                                                                                                                                                                       
Czzg    Silcrete and/or kaolinised granite                                                                                                                                                                                                                            
Ts      Sand and gravel                                                                                                                                                                                                                                               
Pt      Rounded boulders and claystone derived from tillite                                                                                                                                                                                                           
PAf     Paterson Formation: sandstone, pebbly to bouldery siltstone, conglomerate; fluviatile                                                                                                                                                                         
PAl     Paterson Formation: claystone and siltstone; lacustrine                                                                                                                                                                                                       
PAg     Paterson Formation: conglomerate, sandstone, siltstone; glacigene                                                                                                                                                                                             
PWr     Wilkinson Range beds                                                                                                                                                                                                                                          
-Pa     Siltstone, laminated to thin bedded, micaceous                                                                                                                                                                                                                
-Pl     Dolostone, dolomitic siltstone, stromatolitic                                                                                                                                                                                                                 
-Po     Oolitic sandstone and siltstone, ferruginous                                                                                                                                                                                                                  
-Pq     Sandstone, feldspathic, pebbly at base, minor glauconite                                                                                                                                                                                                      
-PKc    Kaluweerie Conglomerate: Polymictic conglomerate                                                                                                                                                                                                              
-PKs    Kaluweerie Conglomerate: Arkosic sandstone and mudstone                                                                                                                                                                                                       
-PEw    Wandiwarra Formation: sandstone and shale                                                                                                                                                                                                                     
-PEws   Wandiwarra formation: shaly siltstone, minor sandstone                                                                                                                                                                                                        
-PEd    Windidda Formation: limestone and shale                                                                                                                                                                                                                       
-PEds   Windidda Formation: shaly siltstone                                                                                                                                                                                                                           
-PEf    Frere Formation: oolitic and banded iron formation, shale, chert                                                                                                                                                                                              
-PEfs   Frere Formation: recessive shale                                                                                                                                                                                                                              
-PEp    Princess Ranges Quartzite: quartz arenite, clayey sandstone and siltstone                                                                                                                                                                                     
-PEwa   Wandiwarra Formation: quartz arenite                                                                                                                                                                                                                          
-PEy    Yelma Formation: sandstone, arkose, shale, conglomerate                                                                                                                                                                                                       
-PEyc   Yelma Formation: chert,chert breccia; replaced carbonate                                                                                                                                                                                                      
-Pdd    Dacite dyke                                                                                                                                                                                                                                                   
-Pdg    Granophyre dyke                                                                                                                                                                                                                                               
-Pdi    Diorite dyke                                                                                                                                                                                                                                                  
-Pdy    Mafic dykes                                                                                                                                                                                                                                                   
-Pdy2   Dolerite and gabbro dykes                                                                                                                                                                                                                                     
-Pdyf   Felsic dyke                                                                                                                                                                                                                                                   
p-Cg    Granitoid, unassigned                                                                                                                                                                                                                                         
p-Cgs   Pyroxene quartz syenite                                                                                                                                                                                                                                       
a       Aplite                                                                                                                                                                                                                                                        
b       Basalt                                                                                                                                                                                                                                                        
c       Carbonate rock                                                                                                                                                                                                                                                
chx     Chert breccia, commonly cemented by goethite                                                                                                                                                                                                                  
d       Dolerite                                                                                                                                                                                                                                                      
dc      Dacite                                                                                                                                                                                                                                                        
dr      Diorite                                                                                                                                                                                                                                                       
e       Epidosite, epidote rock                                                                                                                                                                                                                                       
g       Granite                                                                                                                                                                                                                                                       
gb      Gabbro                                                                                                                                                                                                                                                        
gg      Granodiorite                                                                                                                                                                                                                                                  
gq      Goethite-quartz and quartz-goethite veins                                                                                                                                                                                                                     
gqx     Goethite-quartz breccia                                                                                                                                                                                                                                       
gr      Greisen                                                                                                                                                                                                                                                       
heg     Hematitised and epidotized granite                                                                                                                                                                                                                            
hqx     Hematite-quartz breccia                                                                                                                                                                                                                                       
i       Ironstone                                                                                                                                                                                                                                                     
lp      Lamprophyre                                                                                                                                                                                                                                                   
m       Mylonite                                                                                                                                                                                                                                                      
p       Pegmatite                                                                                                                                                                                                                                                     
po      Porphyry                                                                                                                                                                                                                                                      
q       Quartz, quartzolite                                                                                                                                                                                                                                           
qx      Quartz breccia                                                                                                                                                                                                                                                
sy      Syenite                                                                                                                                                                                                                                                       
t       Tonalite                                                                                                                                                                                                                                                      
x       Breccia                                                                                                                                                                                                                                                       
Ag      Granite, undivided                                                                                                                                                                                                                                            
Agb     Foliated granitoid rock with mafic lenses; local gneissic banding                                                                                                                                                                                             
Agc     Coarse-grained granitoid, undivided                                                                                                                                                                                                                           
Agcp    Porphyritic coarse-grained granite                                                                                                                                                                                                                            
Agd     Diorite to monzodiorite                                                                                                                                                                                                                                       
Agdp    Diorite to monzodiorite, porphyritic                                                                                                                                                                                                                          
Agdq    Quartz monzodiorite to quartz diorite                                                                                                                                                                                                                         
Age     Medium-grained granitoid, undivided                                                                                                                                                                                                                           
Agep    Porphyritic medium-grained granite                                                                                                                                                                                                                            
Agf     Fine-grained granitoid, undivided                                                                                                                                                                                                                             
AgfM    Mullberry Granitoid Complex (1)                                                                                                                                                                                                                               
Agfo    Foliated granitoid                                                                                                                                                                                                                                            
Agfp    Porphyritic fine-grained granite                                                                                                                                                                                                                              
AgfS    "Smith Well Granite" (2)                                                                                                                                                                                                                                      
Agg     Granodiorite                                                                                                                                                                                                                                                  
Agg2    Granodiorite, equigranular                                                                                                                                                                                                                                    
Agg3    Granodiorite, porphyritic                                                                                                                                                                                                                                     
Agj     Trondhjemite                                                                                                                                                                                                                                                  
Agl     Leucogranite and microgranite                                                                                                                                                                                                                                 
Agm     Biotite monzogranite                                                                                                                                                                                                                                          
Agm2    Biotite monzogranite with or without granodiorite, equigranular or porphyritic                                                                                                                                                                                
AgmB    "Bulla Rocks Monzogranite" (1)                                                                                                                                                                                                                                
Agmc    Coarse-grained biotite monzogranite                                                                                                                                                                                                                           
Agmf    Fine-grained biotite monzogranite                                                                                                                                                                                                                             
AgmG    Galah Monzogranite                                                                                                                                                                                                                                            
Agmh    Hornblende monzogranite +/- biotite                                                                                                                                                                                                                           
Agmi    Monzogranite with small bodies of undivided granite                                                                                                                                                                                                           
Agmm    Biotite monzogranite, medium-grained                                                                                                                                                                                                                          
Agmp    Porphyritic monzogranite                                                                                                                                                                                                                                      
Agmx    Interleaved biotite monzogranite and granodiorite, schist and greenstone (all scales)                                                                                                                                                                         
Agn     Strongly foliated granitoid with local weak and/or incipient layering (banding) +/- mafic lenses                                                                                                                                                              
Agng    Foliated leucogranite, granitic gneiss and minor non-foliated leucogranite                                                                                                                                                                                    
Agp     Porphyritic granitoid                                                                                                                                                                                                                                         
Agq     Quartz-rich granitoids                                                                                                                                                                                                                                        
Ags     Syenite to alkali-feldspar syenite                                                                                                                                                                                                                            
AgsM    "McAuliffe Well Syenite" (2)                                                                                                                                                                                                                                  
Agsq    Quartz syenite to quartz alkali-feldspar syenite                                                                                                                                                                                                              
Agt     Tonalite                                                                                                                                                                                                                                                      
Agt2    Tonalite with or without granodiorite                                                                                                                                                                                                                         
Agtp    Porphyritic tonalite                                                                                                                                                                                                                                          
Agtp2   Porphyritic tonalite with or without granodiorite                                                                                                                                                                                                             
Agu     Mixed coarse to fine-grained granitoid                                                                                                                                                                                                                        
Agux    Mixed coarse to fine-grained granitoid, porphyritic granitoid, minor amphibolite and gabbro                                                                                                                                                                   
AgWA    Wadarrah Quartz Monzonite: hornblende quartz monzonite with local platy alignment                                                                                                                                                                             
AgWE    Weebo Granodiorite: granodiorite, coarse-grained phase                                                                                                                                                                                                        
AgWEf   Weebo Granodiorite: granodiorite, fine-grained phase                                                                                                                                                                                                          
Agx     Interleaved syenogranite, monzogranite and greenstone                                                                                                                                                                                                         
Agy     Syenogranite to alkali-feldspar granite                                                                                                                                                                                                                       
Agya    Syenogranite to alkali-feldspar granite, equigranular                                                                                                                                                                                                         
Agya2   Syenogranite to alkali-feldspar granite, equigranular, aplitic                                                                                                                                                                                                
AgyH    Carpet Snake Syenogranite                                                                                                                                                                                                                                     
Agz     Monzonite                                                                                                                                                                                                                                                     
Agzq    Quartz monzonite                                                                                                                                                                                                                                              
Ac      Chert and banded chert; metamorphosed                                                                                                                                                                                                                         
Ac2     Chert, locally ferruginous                                                                                                                                                                                                                                    
Ac3     Chert ferruginous                                                                                                                                                                                                                                             
Aci     Banded iron-formation; metamorphosed                                                                                                                                                                                                                          
Aci2    Banded iron-formation, with or without magnetite, with or without hematite                                                                                                                                                                                    
Aci3    Banded iron formation, locally siliceous                                                                                                                                                                                                                      
Aci4    Banded iron formation, siliceous                                                                                                                                                                                                                              
Acic    Banded iron formation, siliceous                                                                                                                                                                                                                              
Acis    Banded iron-formation with iron silicate(s); metamorphosed                                                                                                                                                                                                    
Acj     Jaspilite                                                                                                                                                                                                                                                     
Acl     Limestone                                                                                                                                                                                                                                                     
As      Metasedimentary rock, undivided                                                                                                                                                                                                                               
Asc     Polymictic conglomerate; metamorphosed                                                                                                                                                                                                                        
Asc2    Polymictic conglomerate, with or without sandstone and shale                                                                                                                                                                                                  
Ascb    Oligomictic conglomerate; dominantly basaltic clasts                                                                                                                                                                                                          
Ascf    Oligomictic conglomerate with dominantly felsic igneous clasts; metamorphosed                                                                                                                                                                                 
Ascf2   Oligomictic conglomerate with dominantly felsic igneous clasts, with or without sandstone and shale                                                                                                                                                           
Ascq    Oligomictic conglomerate with dominantly quartzitic or chert clasts; metamorphosed                                                                                                                                                                            
Ascq2   Oligomictic conglomerate with dominantly quartzitic or chert clasts, with or without sandstone and shale                                                                                                                                                      
AscS    Scotty Creek Conglomerate                                                                                                                                                                                                                                     
Asf     Volcaniclastic conglomerate, sandstone and tuff                                                                                                                                                                                                               
Asfv    Undivided sedimentary (non-volcanic) and felsic volcanic rocks                                                                                                                                                                                                
AsfW    Welcome Well Complex: Volcaniclastic conglomerate, sandstone and tuff. Clasts dominantly andesite                                                                                                                                                             
Asg     Arkose                                                                                                                                                                                                                                                        
Ash     Shale and/or slate and/or phyllite and/or claystone and/or siltstone; metamorphosed                                                                                                                                                                           
Ashd    Phyllite with abundant andalusite porphyroblasts                                                                                                                                                                                                              
Ashg    Graphitic shale, slate or schist                                                                                                                                                                                                                              
AsJC    Jones Creek Conglomerate: conglomerate and sandstone; granitoid clasts and matrix dominate; metamorphosed                                                                                                                                                     
AsJCa   Jones Creek Conglomerate: arkosic arenite, fine to medium-grained; rare pebbles; metamorphosed                                                                                                                                                                
AsJCb   Jones Creek Conglomerate: conglomerate and sandstone; mafic matrix dominates; metamorphosed                                                                                                                                                                   
Asl     Quartz-mica schist with or without feldspar, derived from pelitic rock                                                                                                                                                                                        
Asl2    Quartz-mica schist with or without feldspar, derived from pelitic rock; +/- phyllite +/- slate +/- chert                                                                                                                                                      
Asq     Quartzite, quartz metasiltstone                                                                                                                                                                                                                               
Asq2    Quartzite, quartz metasiltstone and quartz-muscovite schist                                                                                                                                                                                                   
Asq3    Quartzite, quartz metasiltstone, locally conglomeratic                                                                                                                                                                                                        
Asq4    Quartzite, quartz metasiltstone, and quartz-muscovite schist, locally conglomeratic                                                                                                                                                                           
Asqc    Conglomeratic quartzite                                                                                                                                                                                                                                       
Ass     Sandstone and/or siltstone, metamorphosed                                                                                                                                                                                                                     
Af      Metamorphosed felsic extrusive rocks, fine-grained                                                                                                                                                                                                            
AfM     Part of Melita Rhyolite (1)                                                                                                                                                                                                                                   
Afd     Metadacite to rhyodacite                                                                                                                                                                                                                                      
Afdi    Dacitic to andesitic rock                                                                                                                                                                                                                                     
Aff     Metamorphosed foliated felsic volcanic or volcaniclastic rocks                                                                                                                                                                                                
Afi     Metamorphosed intermediate extrusive rocks                                                                                                                                                                                                                    
Afia    Meta-andesite                                                                                                                                                                                                                                                 
Afif    Foliated hornblende-phyric intermediate lava                                                                                                                                                                                                                  
Afih    Hornblende (+/- plagioclase)-phyric intermediate lava                                                                                                                                                                                                         
Afip    Intermediate porphyritic volcanic rock and breccia                                                                                                                                                                                                            
Afis    Metamorphosed intermediate extrusive rocks, schistose                                                                                                                                                                                                         
Afiy    Trachy-andesite                                                                                                                                                                                                                                               
Afp     Metamorphosed intrusive felsic porphyry                                                                                                                                                                                                                       
Afpf    Metamorphosed felsic porphyry                                                                                                                                                                                                                                 
Afpq    Metamorphosed quartz-phyric felsic rock                                                                                                                                                                                                                       
Afr     Metarhyolite                                                                                                                                                                                                                                                  
Afs     Quartz-feldspar schist and/or quartz-muscovite schist derived from felsic volcanic rock                                                                                                                                                                       
Afs2    Quartz-feldspar schist and/or quartz-muscovite schist derived from felsic volcanic rock; with or without biotite                                                                                                                                              
Aft     Metamorphosed felsic pyroclastic +/- volcaniclastic rocks                                                                                                                                                                                                     
Afti    Meta-ignimbrite                                                                                                                                                                                                                                               
AftiM   Part of Melita Rhyolite (1)                                                                                                                                                                                                                                   
Afv     Metamorphosed felsic volcanic or volcaniclastic rocks                                                                                                                                                                                                         
AfvM    Part of Melita Rhyolite (1)                                                                                                                                                                                                                                   
Afx     Metamorphosed rhyolitic to rhyodacitic tuff +/- breccia                                                                                                                                                                                                       
Afxi    Mixed rhyolitic trachytic tuff and breccia                                                                                                                                                                                                                    
Ao      Medium- to coarse-grained mafic rock; metamorphosed                                                                                                                                                                                                           
Aod     Metadolerite +/- metabasalt +/- metagabbro                                                                                                                                                                                                                    
Aoda    Dolerite, equigranular                                                                                                                                                                                                                                        
Aodm    High-magnesium metadolerite                                                                                                                                                                                                                                   
Aodp    Dolerite, porphyritic                                                                                                                                                                                                                                         
Aodq    Quartz dolerite +/- granophyre                                                                                                                                                                                                                                
Aog     Metagabbro, undivided; massive, equigranular or porphyritic                                                                                                                                                                                                   
Aoga    Gabbro, equigranular                                                                                                                                                                                                                                          
Aogc    Gabbro, very coarse grained                                                                                                                                                                                                                                   
Aogl    Leucogabbro                                                                                                                                                                                                                                                   
Aogp    Gabbro, porphyritic                                                                                                                                                                                                                                           
AogK    "Kilkenny Gabbro" (2)                                                                                                                                                                                                                                         
AogN    Part of Niagara Layered Complex (1)                                                                                                                                                                                                                           
Aogq    Quartz gabbro                                                                                                                                                                                                                                                 
Aogq2   Quartz gabbro, leucocratic                                                                                                                                                                                                                                    
AoKV    Kathleen Valley Gabbro: gabbro, undivided; metamorphosed                                                                                                                                                                                                      
AoKVa   Kathleen Valley Gabbro: anorthositic gabbro and anorthosite; metamorphosed                                                                                                                                                                                    
AoKVg   Kathleen Valley Gabbro: quartz gabbro and tonalite; metamorphosed                                                                                                                                                                                             
AoKVl   Kathleen Valley Gabbro: layered gabbro with 2-10cm banding due to varying proportions of amphibole and plagioclase; metamorphosed                                                                                                                             
AoKVq   Kathleen Valley Gabbro: quartz bearing gabbro and quartz gabbro; metamorphosed                                                                                                                                                                                
AoKVx   Kathleen Valley Gabbro: pyroxene-rich gabbro; metamorphosed                                                                                                                                                                                                   
Aol     Lamprophyre                                                                                                                                                                                                                                                   
Aon     Norite, undivided                                                                                                                                                                                                                                             
Aot     Troctolite                                                                                                                                                                                                                                                    
Ab      Metamorphosed fine-grained mafic igneous rocks, undivided                                                                                                                                                                                                     
Ab2     Fine-grained mafic igneous rocks, undivided; with or without metadolerite                                                                                                                                                                                     
Ab3     Fine-grained mafic igneous rocks, undivided; aphyric and/or porphyritic                                                                                                                                                                                       
Ab4     Fine-grained mafic igneous rocks, undivided; with or without metadolerite, aphyric and/or porphyritic                                                                                                                                                         
Aba     Amphibolitic metabasalt and interlayered mafic metasediments, epidotic quartzite and ferruginous quartzite; metadolerite                                                                                                                                      
Abam    Amphibolite derived from mafic igneous rock                                                                                                                                                                                                                   
Abb     Metabasalt +/- metadolerite                                                                                                                                                                                                                                   
Abba    Metabasalt, aphyric                                                                                                                                                                                                                                           
Abc     Carbonated metabasalt                                                                                                                                                                                                                                         
Abd     Metabasalt and metadolerite                                                                                                                                                                                                                                   
Abf     Mafic schist, low-grade                                                                                                                                                                                                                                       
Abg     Mafic and subordinate felsic volcanic rocks intercalated with minor foliated granitoid rock; metamorphosed; gneissic banding locally developed                                                                                                                
Abh     Hornfelsed metabasalt                                                                                                                                                                                                                                         
Abhp    Pyroxene hornfels                                                                                                                                                                                                                                             
Abi     Andesitic metabasalt, meta-andesite to metabasalt                                                                                                                                                                                                             
Abi2    Andesitic metabasalt, meta-andesite to metabasalt, porphyritic                                                                                                                                                                                                
Abi3    Andesitic metabasalt, meta-andesite to metabasalt, locally porphyritic                                                                                                                                                                                        
Abi4    Andesitic metabasalt, meta-andesite to metabasalt, vesicular                                                                                                                                                                                                  
Abi5    Andesitic metabasalt, meta-andesite to metabasalt, locally vesicular                                                                                                                                                                                          
Abi6    Andesitic metabasalt, meta-andesite to metabasalt, amygdaloidal                                                                                                                                                                                               
Abi7    Andesitic metabasalt, meta-andesite to metabasalt, locally amygdaloidal                                                                                                                                                                                       
Abi8    Andesitic metabasalt, meta-andesite to metabasalt, fragmental                                                                                                                                                                                                 
Abi9    Andesitic metabasalt, meta-andesite to metabasalt, locally fragmental                                                                                                                                                                                         
AbMG    Mount Goode Basalt: metamorphosed tholeiitic basalt                                                                                                                                                                                                           
AbMGp   Mount Goode Basalt: metamorphosed plagio-phyric tholeiitic basalt                                                                                                                                                                                             
Abm     High-magnesium metabasalt with spinifex texture                                                                                                                                                                                                               
Abm2    High-magnesium metabasalt with spinifex texture, variolitic                                                                                                                                                                                                   
Abm3    High-magnesium metabasalt with spinifex texture, locally variolitic                                                                                                                                                                                           
Abm4    High-magnesium metabasalt with spinifex texture, pillowed                                                                                                                                                                                                     
Abm5    High-magnesium metabasalt with spinifex texture, locally pillowed                                                                                                                                                                                             
Abm6    High-magnesium metabasalt with spinifex texture, schistose                                                                                                                                                                                                    
Abm7    High-magnesium metabasalt with spinifex texture, locally schistose                                                                                                                                                                                            
Abmd    High-magnesium metabasalt with doleritic texture                                                                                                                                                                                                              
Abmf    Foliated high-magnesium metabasalt                                                                                                                                                                                                                            
Abp     Metabasalt +/- metadolerite, porphyritic                                                                                                                                                                                                                      
Abs     Schistose metabasalt                                                                                                                                                                                                                                          
Abv     Mafic volcanic rocks +/- sedimentary rocks                                                                                                                                                                                                                    
Abx     Basaltic autobreccia                                                                                                                                                                                                                                          
Abxn    Mixed metabasalt, mafic gneiss and metadiorite (metatonalite complex)                                                                                                                                                                                         
Aby     Metabasalt, vesicular or amygdaloidal                                                                                                                                                                                                                         
Aby2    Metabasalt, vesicular or amygdaloidal, pillowed                                                                                                                                                                                                               
Aby3    Metabasalt, vesicular or amygdaloidal, locally pillowed                                                                                                                                                                                                       
Ala     Amphibolite (metasedimentary)                                                                                                                                                                                                                                 
Ala2    Amphibolite (metasedimentary), and amphibole schist                                                                                                                                                                                                           
Alae    Epidotised amphibolite                                                                                                                                                                                                                                        
Alap    Amphibolite, plagioclase-phyric                                                                                                                                                                                                                               
Alax    Amphibolite, with minor porphyry, aplite and schist                                                                                                                                                                                                           
Alb     Clay rock, massive to schistose, quartz absent or minor                                                                                                                                                                                                       
Ald     Quartz-andalusite schist +/- feldspar                                                                                                                                                                                                                         
Ald2    Quartz-andalusite schist +/- feldspar, quartz-andalusite slate                                                                                                                                                                                                
Alf     Quartz-feldspar schist +/- muscovite, schistose to massive quartz-clay rock +/- muscovite                                                                                                                                                                     
Alfq    Schistose clay rock with quartz eyes                                                                                                                                                                                                                          
Alk     Quartz-kyanite rock                                                                                                                                                                                                                                           
All     Chlorite schist                                                                                                                                                                                                                                               
Alm     Muscovite schist +/- feldspar; schistose muscovite-clay rock                                                                                                                                                                                                  
Alqb    Quartz-biotite schist +/- feldspar +/- muscovite                                                                                                                                                                                                              
Alqc    Quartz-chlorite schist, chlorite-quartz schist                                                                                                                                                                                                                
Alqm    Quartz-muscovite schist +/- feldspar                                                                                                                                                                                                                          
Alqm2   Quartz-muscovite schist +/- feldspar, with quartz eyes                                                                                                                                                                                                        
Alt     Chloritoid schist                                                                                                                                                                                                                                             
An      Banded to agmatitic felsic gneiss                                                                                                                                                                                                                             
Anb     Mafic to intermediate gneiss                                                                                                                                                                                                                                  
Anc     Calc-silicate gneiss                                                                                                                                                                                                                                          
Ang     Quartzofeldspathic gneiss with mafic bands                                                                                                                                                                                                                    
Au      Metamorphosed ultramafic rock, undivided or unassigned                                                                                                                                                                                                        
Auc     Talc-carbonate rock                                                                                                                                                                                                                                           
Aud     Dunite                                                                                                                                                                                                                                                        
Auk     Komatiite; metamorphosed                                                                                                                                                                                                                                      
Aul     Chlorite schist (ultramafic)                                                                                                                                                                                                                                  
Aup     Peridotite; metamorphosed                                                                                                                                                                                                                                     
Aup2    Peridotite +/- serpentinite                                                                                                                                                                                                                                   
Aupx    Brecciated peridotite                                                                                                                                                                                                                                         
Aur     Tremolite schist                                                                                                                                                                                                                                              
Aur2    Tremolite-chlorite schist                                                                                                                                                                                                                                     
Aur3    Actinolite schist                                                                                                                                                                                                                                             
Aur4    Tremolite schist +/- talc-chlorite rock                                                                                                                                                                                                                       
Aur5    Tremolite-chlorite schist +/- talc-chlorite rock                                                                                                                                                                                                              
Aur6    Actinolite schist +/- talc-chlorite rock                                                                                                                                                                                                                      
Aus     Serpentinite, serpentine-talc rock                                                                                                                                                                                                                            
Aut     Talc-chlorite schist, chlorite-talc schist                                                                                                                                                                                                                    
Aute    Talc-epidote schist                                                                                                                                                                                                                                           
Autg    Talc-chlorite schist intruded by numerous porphyry dykes                                                                                                                                                                                                      
Aux     Pyroxenite; metamorphosed                                                                                                                                                                                                                                     
Aux2    Pyroxenite, locally schistose                                                                                                                                                                                                                                 
Auxp    Porphyritic pyroxenite                                                                                                                                                                                                                                        
Aw      Weathered Archaean rock of uncertain origin                                                                                                                                                                                                                   
MG      Made ground                                                                                                                                                                                                                                                   
OC      Open cut                                                                                                                                                                                                                                                      
TL      Tailings, mullock                                                                                                                                                                                                                                             
RM      Road Material                                                                                                                                                                                                                                                 
BUA     Built-up area                                                                                                                                                                                                                                                 




SOME ADDITIONAL GSWA UNITS
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Abr     Basalt intruded by gabbros; metamorphosed                                                                                                                                                                                                                     
Angb    Interlayered quartzofeldspathic gneiss, monzonite and metamorphosed mafic rock                                                                                                                                                                                
Anq     Quartzofeldspathic gneiss                                                                                                                                                                                                                                     
Abml    Pillowed high-Mg basalt; variolitic texture and local pyroxene-spinifex texture; metamorphosed                                                                                                                                                                
Afdp    Porphyritic dacite; metamorphosed                                                                                                                                                                                                                             
Aga     Fine-grained granitoid rock; deeply weathered                                                                                                                                                                                                                 
Agnq    Granitoid rock and quartzofeldspathic gneiss                                                                                                                                                                                                                  
Abie    Basaltic andesite and andesite; foliated and epidotized; metamorphosed                                                                                                                                                                                        
Aoh     Amphibolite, medium and coarse-grained                                                                                                                                                                                                                        
Abe     Epidotized metabasalt                                                                                                                                                                                                                                         
Asd     Dolomite; metamorphosed                                                                                                                                                                                                                                       
Auf     Interleaved ultramafic and mafic schist                                                                                                                                                                                                                       
Anqk    Quartz-K-feldspar gneiss                                                                                                                                                                                                                                      
Aoge    Epidotized metagabbro                                                                                                                                                                                                                                         
Aogo    Olivine gabbro; metamorphosed                                                                                                                                                                                                                                 
Aogf    Strongly foliated gabbro, metamorphosed                                                                                                                                                                                                                       
Czcq    Quartz vein debris                                                                                                                                                                                                                                            
Czli    Massive ironstone                                                                                                                                                                                                                                             
Paf     PATERSON FORMATION: Sandstone; minor pebbly sandstone, conglomerate, and siltstone; fluvial                                                                                                                                                                   
Pag     PATERSON FORMATION: Conglomerate; includes some sandstone and siltstone; glacigene                                                                                                                                                                            
Pal     PATERSON FORMATION: Claystone and siltstone; lacustrine                                                                                                                                                                                                       
PLEf    FRERE FORMATION: ferruginous sandstone, siltstone, and shale                                                                                                                                                                                                  
PLEfs   Laminated siltstone                                                                                                                                                                                                                                           
PLEfa   Oolitic sandstone and siltstone; ferruginous                                                                                                                                                                                                                  
PLEy    YELMA FORMATION: arenite, stromatolitic dolomite, and associated chert breccia                                                                                                                                                                                
PLEya   Feldspathic sandstone; pebbly at base                                                                                                                                                                                                                         
PLEyc   Dolostone; minor dolomitic siltstone; stromatolitic                                                                                                                                                                                                           
Aggh    Hornblende granodiorite                                                                                                                                                                                                                                       
Abdg    Metabasalt with abundant layers and lenses of metagabbro                                                                                                                                                                                                      
PLs     Conglomerate, quartz-rich sandstone, arkosic sandstone, and microbial laminates; commonly silicified and brecciated                                                                                                                                             
PLYjf   Finlayson Member: mature, commonly ripply-marked quartz arenite                                                                                                                                                                                                
PLYjb   Bubble Well Member: chert breccia and conglomerate; minor quartz arenite                                                                                                                                                                                        
PLdy    Mafic dyke                                                                                                                                                                                                                                                    
Aggp    Granodiorite; porphyritic                                                                                                                                                                                                                                     
Abip    Plagioclase-phyric basaltic andesite and andesite; metamorphosed                                                                                                                                                                                              
PLYj    JUDERINA FORMATION: quartz sandstone; local siltstone, chert breccia, and conglomerate                                                                                                                                                                        
PLYjs   Shale and siltstone                                                                                                                                                                                                                                           
PLYkb   Aphyric tholeiitic basalt                                                                                                                                                                                                                                     
PLYkc   Bartle Member: chertified microbial laminites with barite and anhydrite nodules                                                                                                                                                                               
PLYkd   Medium to coarse-grained dolerite dykes and sills                                                                                                                                                                                                             
Alqf    Quartz-feldspar schist                                                                                                                                                                                                                                        
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