Update on Geophysical Data Acquisition October 2014
Location | State | Survey | % Complete | Gravity Stations | Flight Lines | Spacing | Ground Clearance | Comments |
---|---|---|---|---|---|---|---|---|
Southwest Coastal Plain, Albany, Esperance | WA | Airborne electromagnetic | 100% | N/A | 8607 line km; | 300m and 600m | TBA | The survey covers the Esperance (pt), Mount Barker (pt), Albany (pt), Augusta (pt), Pemberton (pt), Busselton (pt) and Collie (pt) standard 1:250000 Map Sheets. GA and the WA Department of Water are planning the formal public release of the processed AEM data for late September. When released the data can be downloaded from the GA website. |
Southern Thomson Orogen | GA/NSW/Qld | Airborne electromagnetic | 100% | N/A | 4198 line km | 5000m | TBA | On 11 May acquisition of Additional Work commenced consisting of a series of traverses across the Darling and Paroo Rivers in western NSW. The additional traverses were 100% complete on 29 May. The Contractor supplied GA with preliminary final data from the Additional Work on 12 September for assessment by GA. |
Sir Samuel-Throssel Gravity Survey | WA | Gravity | 100.0% | 11 702 | N/A | 2.5km regular grid | N/A | The survey covers the Sir Samuel, Duketon, Throssel, Leonara (northern half), Laverton (northern Half) and Rason (northern half) standard 1:250000 Map Sheets. The nominal survey boundary covers an area of 73 800 km2 The survey commenced on 19 June 2014 and completed data acquisiton on 7 September.. |
West Amadeus | NT | Gravity | 100% | 8,105 | N/A | 4km regular with areas to be defined for 2km infill | N/A | The proposed survey covers the Mount Rennie (pt), Mount Liebig (pt), Bloods Range, Lake Amadeus (pt); Petermann Ranges and Ayers Rock (pt) standard 1:250000 Map Sheets.The nominal survey boundary covers an area of 45050km2. The survey commenced on 29 June 2014 and completed data acquisition on 11 August. Preliminary final data were expected by the end of September. |
Dunmarra | NT | Airborne magnetic and radiometric | 90.0% | TBA | Estimated 103,909 line km; east-west; 36 280km2 | 400m | 80m agl | The survey is located in an area between the 2007 Tanumbirini and 2001 Sturt airborne geophysical surveys. The survey will collect approximately 103 900 line km of new data on east-west flight lines spaced 400 metres apart and flown at a nominal 80 metres above ground level. The survey covers parts of the Katherine, Larrimah, Hodgson Downs, Daly Waters, Tanumbirinni and Newcastle Waters standard 1:250000 Map Sheets. The survey was commenced on 28 June 2014 and was 90% complete to 24 September. The survey is expected to finish flying by 6 October.. |
Thomson Gravity | GA/NSW/Qld | Gravity | 100.0% | 3660 | N/A | 333m | N/A | The survey consists of eight traverses on the Toompine, Eulo, Cunnamulla, Yantabulla, Enngonia, Louth and Bourke standard 1:250000 Map Sheets. The survey commenced on 17 July 2014 and completed data acquisition on 15 September. Preliminary final data were expected at GA by 8 October. |
Gippsland Gravity | Vic | Gravity | 100% | 1213 | N/A | 500m | N/A | The Geological Survey of Victoria has 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 survey commenced on 30 June 2014 and completed data acquistion on 21 July. The processed data passed assessment by GA on 19 September. |
Yalgoo | WA | Airborne magnetic and radiometric | TBA | N/A | Estimated 108000 line km; east-west; 11200 km2 | 100m & 200m | 50m agl | The survey is not proceeding due to WA Department of Mines and Petroleum budget restrictions. |
North McArthur Basin | NT | Gravity | 17% | 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, Katerine, Urapunga and Roper River standard 1:250 000 standard Map Sheets. The survey commenced on 16 September and was 17% complete to 22 September. |
Geoscience Australia will be managing the data acquisition program in Western Australia, Victoria, New South Wales, Queensland and the Northern Territory.
For more information, please email clientservices@ga.gov.au; or phone 1800 800 173.
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