Update on Geophysical Data Acquisition April 2013

Location State Survey % Complete Gravity Stations Flight Lines Spacing Ground Clearance Comments
South Pilbara WA Airborne magnetic and radiometric 100% N/A 136 000 line km; north-south over 42 500km² 400m 60m agl The survey covers the Yarraloola, Pyramid, Mount Bruce, Roy Hill, Balfour Downs and Newman 1:250 000 Map Sheets.
Data acquisition commenced on 14 May 2012 and was completed on 22 January 2013. Final data are currently undergoing QA/QC by the Contractor.
Mt Barker WA Airborne magnetic and radiometric 100% N/A 120 000 line km; north-south over 20 000km² 200m 50m agl The survey covers the Pemberton, Mount Barker, Irwin Inlet and Albany 1:250 000 Map Sheets.
Data acquisition commenced on 24 April 2011 and was completed on 27 January 2013. Final data are currently undergoing QA/QC by the Contractor. An additional survey area over Lake Muir was completed between 20-22 March. This survey collected 2600 line kilometres of new data over an area of approximately 600km2.
Marree SA Airborne magnetic and radiometric 62.6%  N/A 130 473 line km; north-south over 46 170km² 400m 80m agl The survey covers the Warrina, Lake Eyre, Kopperamanna, Billa Kalina, Curdimurka and Marree 1:250 000 Map Sheets. The survey commenced on 29 October 2012 and was 62.6% complete to 21 March 2013.
Widgiemooltha South WA Airborne magnetic and radiometric 91% N/A Est. 130 000 km; east-west over 11 520km² 100m 50m agl The survey covers the Widgiemooltha (southern half) and Norseman (northern portions) 1:250 000 Map Sheets. The survey commenced on 16 November 2012 and was 91% complete to 24 March 2013.
SW Coastal Plain, Albany, Esperance WA Airborne electromagnetic
TBA N/A Est. 9850 line km; variable over 4570 km². 300m and 600m TBA Quotation Request closed 15 January 2013. The survey was expected to commence on 4 April 2013 in Esperance at the time of writing this report.
Woomera Prohibited Area SA Gravity TBA Est. 34 500
N/A 2km x 2km and 1km x 1km N/A Quotation Request opened on 8 February 2013 and closed on 4 March 2013. Contract negotiations between Geoscience Australia and the preferred supplier were underway at the time of writing this report.
North Perth – Gingin Brook WA Gravity TBA Est. 1236
N/A 1.5km x 1.5km N/A Quotation Request opened on 14 February 2013 and closed on 7 March 2013. Contract negotiations between Geoscience Australia and the preferred supplier were underway at the time of writing this report.

Geoscience Australia manages the data acquisition programs in Western Australia and South Australia.

For further information, please email Murray.Richardson@ga.gov.au or phone +61 2 6249 9229.

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Topic contact: minerals@ga.gov.au Last updated: May 1, 2013