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Updated:  26 August 2005

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


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Slide 2: Outline of presentation


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


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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


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Slide 4: Mt Woods Inlier title slide


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


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Slide 5: Research aims in the Mt Woods Inlier


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


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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).


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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).


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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).


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Slide 9: Warriner Ck 1 drill core granite sample detail


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


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Slide 10: Warriner Ck 1 drill core mylonite sample detail


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


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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).


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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).


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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


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Slide 14: Gabbro sample 2003362522


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

Concordia plot and cathodoluminescence image for gabbro sample 2003362522


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Slide 15: Photomicrograph of garnet-opx gneiss sample 2003362520


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


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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


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Slide 17: Garnet schist Sample 2003362524 drill core overview


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


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Slide 18: Garnet schist Sample 2003362524 photomicrograph


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


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Slide 19: Garnet schist Sample 2003362524


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

Garnet schist Sample 2003362524 Concordia plot and cathodoluminescence image


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Slide 20: Foliated granite Sample 2003362525a drill core overview


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


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Slide 21: Foliated granite Sample 2003362525a photomicrograph


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


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Slide 22: Foliated granite Sample 2003362525a


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

Foliated granite Sample 2003362525a Concordia plot and cathodoluminescence image


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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


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Slide 24: Research aims in the Central Gawler Gold Province


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


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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


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Slide 26: Simplified geology map of the Tarcoola Goldfield


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


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Slide 27: Ambrosia Granite Sample 2001363078


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

Ambrosia Granite Sample 2001363078 Concordia plot and cathodoluminescence image


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Slide 28: Partridge Granite Sample 2001363044


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

Partridge Granite Sample 2001363044 Concordia plot and cathodoluminescence image


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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


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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


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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


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Slide 32: Weednanna Granite Sample 2003362501 photomicrograph


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


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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


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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


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Slide 35: Barns mafic dyke Sample 2003362500 photomicrograph


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


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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


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Slide 37: Conclusions - Mt Woods Inlier


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


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Slide 38: Conclusions - Central Gawler Gold Province


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


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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


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Acknowledgment:

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


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