Insights into the structure of the Australian Crust, results from ANSIR?s Seismic Reflection Profiling Program

Bruce R. Goleby; Tim Barton; Leonie Jones; Tanya Fomin; David W. Johnstone; Alan Crawford

doi:10.1071/ASEG2006ab053

ISSN: 2202-0586
E-ISSN:

oa Insights into the structure of the Australian Crust, results from ANSIR?s Seismic Reflection Profiling Program
Authors Bruce R. Goleby^a, Tim Barton^b, Leonie Jones^c, Tanya Fomin^d, David W. Johnstone^e and Alan Crawford^f
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^a ANSIR c/- Geoscience Australia, PO Box 378, Canberra, ACT, , 2601, [email protected] ^b ANSIR c/- Geoscience Australia, PO Box 378, Canberra, ACT, , 2601, [email protected] ^c ANSIR c/- Geoscience Australia, PO Box 378, Canberra, ACT, , 2601, [email protected] ^d ANSIR c/- Geoscience Australia, PO Box 378, Canberra, ACT, , 2601, [email protected] ^e ANSIR c/- Geoscience Australia, PO Box 378, Canberra, ACT, , 2601, [email protected] ^f ANSIR c/- Geoscience Australia, PO Box 378, Canberra, ACT, , 2601, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2006, Issue ASEG2006 - 18th Geophysical Conference, Dec 2006, p. 1 - 5
DOI: https://doi.org/10.1071/ASEG2006ab053
- Published online: 01 Dec 2006

Abstract

ANSIR, the National Facility for Earth Sounding, has been responsible for the acquisition of 30 regional deep seismic reflection surveys across many different Australian geological regions and structural environments. The seismic data has provided exciting new images of the Australian Crust at depth. Each survey has produced the unexpected and has usually dispelled some ‘sacred-cow’ in geological understanding of the depth-dimension of that region. ANSIR’s deep seismic reflection equipment provides both high quality whole-of-crust images of the Australia continent as well as detailed district and mine scale seismic images.

These seismic surveys are providing a clear picture of the architecture of a region and providing information to develop tectonic models a region. In particular, the seismic data is successfully imaging the major basement geological units and structures and therefore providing the necessary depth constraints to construct 3D geological models of a region. The seismic data is suggesting possible mineral systems that have operated and allowing explorers to assess the potential of an area for mineral deposits.

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References

Drummond, B.J, Hobbs, B.E. and Goleby, B.R., 2005, Crustal fluid flow in orogenic systems and implications for the Olympic dam deposit , in, P. Lyons & B.R. Goleby (Compilers), The 2003 Gawler Craton Seismic Survey: Seismic Workshop, Geoscience Australia, Record 2005/19, 76-77.
Goleby, B.R. and Huston, D., 2006, Going for Gold beneath the Tanami, AUSGEO News, 79, September 2005.
Goleby, B.R., Bell, B., Korsch, R.J., Sorjonen-Ward, P., Groenewald, P.B., Wyche, S., Bateman, R., Fomin, T., Witt, W., Walshe, J., Drummond, B.J. and Owen, A.J., 2000. Crustal structure and fluid flow in the Eastern Goldfields, Western Australia. Australian Geological Survey Organisation, Record, 2000/34.
Goleby, B.R., Blewett, R.S., Groenewald, P.B., Cassidy, K.F., Champion, D.C., Jones, L.E.A, Korsch, R.J., Shevchenko S. and Apak, S.N., 2003, The 2001 Northeastern Yilgarn deep seismic reflection survey, Geoscience Australia, Record 2003/28, 144pp.
Goleby, B.R., Lyons, P., Drummond, B.J., Schwarz, M, Shearer, AJ., Fairclough, M.C., Korsch R.J. and Skirrow, R.G., 2005, General Basement Interpretation (18 s Data), in, P. Lyons & B.R. Goleby (Compilers), The 2003 Gawler Craton Seismic Survey: Seismic Workshop, Geoscience Australia, Record 2005/19, 48-57.
Huston, D., Goleby, B., Vandenberg, L, Bagas, L., Jones, L., Lyons, P., Johnston, W., Smith, T, Barton, T, Johnstone, D., 2006, The Tanami Deep Seismic Reflection Experiment: a look under the surface of a major gold province in northern Australia, AESC’2006 Extended Abstracts (this volume).
Kennett, B.L.N., 2006, Developments in passive seismic techniques through the ANSIR National Research Facility, AESC’2006 Extended Abstracts (this volume).
Korsch, R.J., Preiss, W.V., Conor, C.H.H., Goleby, B.R., Fomin, T., Robertson, RS. and Burtt, AC, 2006, Deep seismic reflection data from the Curnamona Province, South Australia: crustal architecture and tectonic implications,, AESC’2006 Extended Abstracts (this volume).
Lyons, P., Goleby, B., Drummond, B., Jones, L., Skirrow, R and Fairclough, M., 2006, Seismic structure and crustal architecture of the Fe oxide Cu-Au (IOCG) minerals system of the eastern Gawler Craton, AESC’2006 Extended Abstracts (this volume).
Rawlings, D.J., Korsch, RJ., Goleby, B.R, Gibson, G.M., Johnstone, D.W. and Barlow, M., 2004, The 2002 Southern McArthur basin seismic reflection survey, Geoscience Australia, Record 2004/17, 83pp.

/content/journals/10.1071/ASEG2006ab053

Article Type: Research Article

Keyword(s): Australia; crustal-scale; Deep seismic; reflection; transects

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oa Insights into the structure of the Australian Crust, results from ANSIR?s Seismic Reflection Profiling Program

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