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New geochronology of the Mount Woods Inlier and the central Gawler gold province

Gawler Craton: State of Play 2004, Adelaide 4 - 6 August

Oliver Holm

This talk was presented at the Gawler Craton: State of Play 2004 conference held in Adelaide, August 2004.
Return to Gawler Project Publications for other presentations by Geoscience Australia authors.

Recommended citation

Holm, O., 2004. New geochronology of the Mount Woods Inlier and the central Gawler gold province. Published in: Lyons, P. (compiler), 2004. Gawler Craton: State of Play 2004 - Conference Abstracts. Department of Primary Industries and Resources, South Australia, Report Book 2004/18, page 3.

Presentation

Slide 1: Title and authors

Title and authors - click to enlarge (49 KB).

New geochronology of the Mount Woods Inlier and the central Gawler gold province

Oliver Holm

Slide 2: Outline of presentation

Outline of presentation - click to enlarge (44 KB).

 

Slide 3: TMI image of the Gawler Craton and simplified geological map outlining areas of research

TMI image of the Gawler Craton and simplified geological map outlining areas of research - click to enlarge (80 KB).

Total Magnetic Intensity (TMI) image of the Gawler Craton and simplified geological map outlining areas of research

Slide 4: Mt Woods Inlier title slide

Mt Woods Inlier title slide - click to enlarge (40 KB).

 

Slide 5: Research aims in the Mt Woods Inlier

Research aims in the Mt Woods Inlier - click to enlarge (53 KB).

 

Slide 6: Mt Woods Inlier TMI image with summary of existing geochronology results

Mt Woods Inlier TMI image with summary of existing geochronology results - click to enlarge (69 KB).

 

Slide 7: Mt Woods Inlier TMI image with summary of new geochronology results from this work

Mt Woods Inlier TMI image with summary of new geochronology results from this work - click to enlarge (77 KB).

 

Slide 8: Warriner Ck 1 Sample 2003362517 drill core granite sample overview

Warriner Ck 1 Sample 2003362517 drill core granite sample overview - click to enlarge (85 KB).

 

Slide 9: Warriner Ck 1 drill core granite sample detail

Warriner Ck 1 drill core granite sample detail - click to enlarge (78 KB).

 

Slide 10: Warriner Ck 1 drill core mylonite sample detail

Warriner Ck 1 drill core mylonite sample detail - click to enlarge (77 KB).

 

Slide 11: Warriner Ck 1 Sample 2003362517 granite sample concordia plot

Warriner Ck 1 Sample 2003362517 granite sample concordia plot - click to enlarge (51 KB).

 

Slide 12: Mt Woods Inlier TMI image with summary of new geochronology results from this work

Mt Woods Inlier TMI image with summary of new geochronology results from this work - click to enlarge (76 KB).

 

Slide 13: Intermediate gneiss sample 2003362541 and fine-grained granite sample 2003362542

Intermediate gneiss sample 2003362541 and fine-grained granite sample 2003362542 - click to enlarge (73 KB).

Concordia plots and cathodoluminescence image for intermediate gneiss sample 2003362541 and fine-grained granite sample 2003362542

Slide 14: Gabbro sample 2003362522

Gabbro sample 2003362522 - click to enlarge (58 KB).

Concordia plot and cathodoluminescence image for gabbro sample 2003362522

Slide 15: Photomicrograph of garnet-opx gneiss sample 2003362520

Photomicrograph of garnet-opx gneiss sample 2003362520 - click to enlarge (75 KB).

 

Slide 16: Garnet-opx gneiss sample 2003362520

Garnet-opx gneiss sample 2003362520 - click to enlarge (61 KB).

Concordia plots and cathodoluminescence image of garnet-opx gneiss sample 2003362520

Slide 17: Garnet schist Sample 2003362524 drill core overview

Garnet schist Sample 2003362524 drill core overview - click to enlarge (78 KB).

 

Slide 18: Garnet schist Sample 2003362524 photomicrograph

Garnet schist Sample 2003362524 photomicrograph - click to enlarge (129 KB).

 

Slide 19: Garnet schist Sample 2003362524

Garnet schist Sample 2003362524 - click to enlarge (57 KB).

Garnet schist Sample 2003362524 Concordia plot and cathodoluminescence image

Slide 20: Foliated granite Sample 2003362525a drill core overview

Foliated granite Sample 2003362525a drill core overview - click to enlarge (76 KB).

 

Slide 21: Foliated granite Sample 2003362525a photomicrograph

Foliated granite Sample 2003362525a photomicrograph - click to enlarge (85 KB).

 

Slide 22: Foliated granite Sample 2003362525a

Foliated granite Sample 2003362525a - click to enlarge (55 KB).

Foliated granite Sample 2003362525a Concordia plot and cathodoluminescence image

Slide 23: Locality map outlining areas of research in the Central Gawler Gold Province

Locality map outlining areas of research in the Central Gawler Gold Province - click to enlarge (80 KB).

Total Magnetic Intensity (TMI) image of the Gawler Craton and simplified geological map outlining areas of research in the Central Gawler Gold Province

Slide 24: Research aims in the Central Gawler Gold Province

Research aims in the Central Gawler Gold Province - click to enlarge (81 KB).

 

Slide 25: Locality map of Tarcoola Goldfield research area

Locality map of Tarcoola Goldfield research area - click to enlarge (85 KB).

Total Magnetic Intensity (TMI) image of the Gawler Craton and simplified geological map outlining Tarcoola Goldfield research area in the Central Gawler Gold Province

Slide 26: Simplified geology map of the Tarcoola Goldfield

Simplified geology map of the Tarcoola Goldfield - click to enlarge (94 KB).

 

Slide 27: Ambrosia Granite Sample 2001363078

Ambrosia Granite Sample 2001363078 - click to enlarge (59 KB).

Ambrosia Granite Sample 2001363078 Concordia plot and cathodoluminescence image

Slide 28: Partridge Granite Sample 2001363044

Partridge Granite Sample 2001363044 - click to enlarge (60 KB).

Partridge Granite Sample 2001363044 Concordia plot and cathodoluminescence image

Slide 29: Big Tank Granite Sample 2001363031

Big Tank Granite Sample 2001363031 - click to enlarge (61 KB).

Big Tank Granite Sample 2001363031 Concordia plot and cathodoluminescence image

Slide 30: Peela Conglomerate Sample 2001363010

Peela Conglomerate Sample 2001363010 - click to enlarge (75 KB).

Peela Conglomerate Sample 2001363010 Concordia plot, 204Pb corrected 207Pb/206Pb weighted mean plots and cathodoluminescence image

Slide 31: Locality map outlining the Weednanna and Barns research areas

Locality map outlining the Weednanna and Barns research areas - click to enlarge (86 KB).

Total Magnetic Intensity (TMI) image of the Gawler Craton and simplified geological map outlining the Weednanna and Barns research areas in the Central Gawler Gold Province

Slide 32: Weednanna Granite Sample 2003362501 photomicrograph

Weednanna Granite Sample 2003362501 photomicrograph - click to enlarge (101 KB).

 

Slide 33: Weednanna Granite Sample 2003362501

Weednanna Granite Sample 2003362501 - click to enlarge (73 KB).

Weednanna Granite Sample 2003362501 Concordia plot, weighted averages diagrams and cathodoluminescence image

Slide 34: Barns Granodiorite Sample 2002363019J

Barns Granodiorite Sample 2002363019J - click to enlarge (75 KB).

Barns Granodiorite Sample 2002363019J Concordia plot, weighted averages diagrams and cathodoluminescence image

Slide 35: Barns mafic dyke Sample 2003362500 photomicrograph

Barns mafic dyke Sample 2003362500 photomicrograph - click to enlarge (111 KB).

 

Slide 36: Barns mafic dyke Sample 2003362500

Barns mafic dyke Sample 2003362500 - click to enlarge (57 KB).

Barns mafic dyke Sample 2003362500 204Pb corrected 207Pb/206Pb weighted mean plot with cathodoluminescence image

Slide 37: Conclusions - Mt Woods Inlier

Conclusions - Mt Woods Inlier - click to enlarge (60 KB).

 

Slide 38: Conclusions - Central Gawler Gold Province

Conclusions - Central Gawler Gold Province - click to enlarge (75 KB).

 

Slide 39: Acknowledgments

Acknowledgments - click to enlarge (65 KB).

Acknowledgments

  • RSES SHRIMP community
  • Geoscience Australia Gawler Craton Project
  • GA Geochronology Group
  • GA?s Min Sep Lab
  • PIRSA - Gawler Craton Program and Core Library
  • Adelaide Resources
  • Aquila Resources

Acknowledgment:

This page was developed using the Exploration geophysics on Mars web page as a template.

Related links

Contact:

minerals@ga.gov.au

Updated: 18 02 2009