Update on Geophysical Data Acquisition July 2015
Location | State | Survey | % Complete | Gravity Stations | Flight Lines | Spacing | Ground Clearance | Comments |
---|---|---|---|---|---|---|---|---|
Delamere & Spirit Hills | NT | Airborne magnetic and radiometric | N/A | N/A | Estimated 96 500 line km; east-west; 33 693km2 | 400m | 80m agl | The survey is located in an area west of Katherine and north of Timber Creek. The survey covers parts of the Fergusson River, Delamere, Victoria River Downs and Auvergne standard 1:250 000 Map Sheets. The Quotation Request closed on 23 April. The contract was executed by Geoscience Australia on 15 June. The survey will start mid-July to avoid military exercises in the survey area. |
Yalgoo | WA | Airborne magnetic and radiometric | 9% | N/A | Estimated 108 000 line km; 11 200 km2 | 100m/200m | 50m agl | The survey covers the four 1:100 000 standard map sheets at the intersection of the Yalgoo, Kirkalocka, Perenjori and Ninghan standard 1:250 000 Map sheets. The survey Contract was executed by GA oin 15 May. The survey start date was 31 May. The survey was 9% complete to 21 June. |
Gippsland Gravity | VIC | Gravity | 100% | 1 213 | N/A | 500m | N/A | The Geological Survey of Victoria designed a survey of approximately 1440 stations at a nominal 400 metre station spacing on 12 separate traverses on the Warragul standard 1:250000 Map Sheet. The traverses cover an area of approximately 8358 km2. The data are in preparation for release via GADDS when GSV advises GA of their preferred release date. |
North McArthur Basin | NT | Gravity | 100% | 7 315 | N/A | 4km regular with areas of 2 km infill; 1 area of traverses spaced 4km apart with a station spacing of 1 km | N/A | The survey covers all or part of Arnhem Bay, Gove, Mt Evelyn, Mt Marumba, Blue Mud Bay, Katherine, Urapunga and Roper River standard 1:250 000 standard Map Sheets. The final data are in preparation for release by GA via GADDS. |
Ngururrpa | WA | Gravity | 100% | ~5 000 | N/A | 2.5km NS-EW grid | N/A | The survey covers parts of the Cornisg, Lucas, Helena, Stansmore and Wilson standard 1:250 000 Map Sheet areas. The survey commenced on 10 May. The data acquistion phase of the survey was completed on 13 June. |
Northern Wiso Basin | NT | Gravity | 7.5% | 4,994 | N/A | 4km NS-EW Grid | N/A | The survey covers parts of the Waterloo, Victoria River Downs, Limbunya, Wave Hill, Newcastle Waters, Beetaloo, Birrindudu, Winnecke Creek, South Lake Woods and Helen Springs standard 1:250 000 Map Sheet Areas. The Quotation Request was released by GA on 20 April and closed on 12 May 2015. The survey commenced on 18 June and was 7.5% complete to 21 June. |
SW Yilgarn | WA | Gravity | 1% | 28,700 | N/A | 2km on public gazetted roads and tracks | N/A | The survey area covers the SW part of WA from Geraldton in the north to Albany in the south and from Hyden in the east to Bunbury in the west. The survey commenced on 12 June and was 0.9% complete to 21 June. |
Coompana | SA | Airborne Magnetic and Radiometric | 42% | N/A | Estimated 249 600 line km; | 400m & 200m | 80m agl | The survey covers Birksgate (pt), Noorina, Wells (pt), Wyola, Maurice (pt), Cook, Ooldea (pt), Coompana (pt) and Nullarbor (pt) 1:250 000 standard Map Sheets. The survey commenced flying on 11 February 2015 and was 42% complete to 21 June. |
Stavely | Vic | Gravity | N/A | 8000 | N/A | 500m | N/A | The survey is designed to collect stations on a nominal 500 m station spacing in up to 9 separate areas of variable size in western Victoria. The survey areas are located on the Horsham, Ballarat and Hamilton standard 1:250 000 Map Sheets. |
Menindee | NSW | Airborne EM | N/A | 423 | 16 discrete traverses |
| <60m agl | The survey comprises a series of traverses in the Menindee region of Western NSW. The traverses are located on the Menindee and Manara standard 1:250 000 Map Sheets. The survey was flown between 25-30 June. |
Geoscience Australia will be managing the data acquisition program in Western Australia, South Australia, Victoria, New South Wales and the Northern Territory.
For more information, please email clientservices@ga.gov.au; or phone 1800 800 173.
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