Updated: 01 November 2007

Minerals Alert November 2007

Update on geophysical survey data acquisition

Location	State	Survey	% Complete	Gravity Stations	Flight Lines	Spacing	Ground Clearance	Comments
South Kimberley	WA	Airborne magnetic and radiometric	N/A	N/A	163,000 line km; north-south area of 57,920 km²	400 m	60 m	Data acquisition is expected to commence in mid November 2007. The survey will cover parts of the Lennard River, Lansdowne, Noonkanbah, Mount Ramsay, Mount Bannerman 1:250,000 Map Sheets.
Offshore Canning Basin	WA	Airborne magnetic and radiometric	100%	N/A	north-south area of 49,980 km²	750 m	80 m above sea level	Final data have been supplied to Geoscience Australia for checking. Lines spaced 1,500 metres apart were flown to infill a pre-existing Geoscience Australia survey and provide consistent flight line spacing. The survey covers portions of the SE51-01,SE51-05, Pender and Broome standard 1,000 Map Sheet areas.
Canning Basin 2007	WA	Airborne magnetic and radiometric	100%	N/A	north-south Area 70 192 km²line km 100 000	800 m	80 m	Preliminary gridded magnetic and elevaton datasets have been supplied to Geoscience Australia for checking. The survey covers parts of the Anketell, Joanna Spring, Dummer, Paterson Range, Sahara, Tabletop and Ural 1:250,000 Map Sheets.
East Isa North	Qld	Airborne magnetic and radiometric	100%	N/A	east-west 113,000 line km	400 m	80 m	The survey covered parts of Richmond, Hughenden, McKinlay, Manuka and Tangorin 1:250,000. Data were released on 9 October 2007 via GADDS.
East Isa South	Qld	Airborne magnetic and radiometric	100%	N/A	east-west 145,900 line km	400 m	80 m	Preliminary processed magnetic and elevation data have been supplied to Geoscience Australia for checking. The survey covered parts of the McKinlay, Manuka, Mackunda, Winton, Brighton Downs and Maneroo 1:250,000 map sheets.
Croydon	Qld	Airborne and Radiometric	100%	N/A	Over area of 35,310 km² 100,000 line km east-west	400 m	80 m	Data acquisition was completed on 21 September 2007. The survey covers parts of the Burketown, Normanton, Donors Hill, Croydon and Millungera 1:250,000 Map Sheets.
Charters Towers	Qld	Gravity	41%	15,310 new stations	N/A	4.0 km grid	N/A	Data acquisition commenced on 22 August 2007. The survey covers all or portions of the Einasleigh, Ingham, Clarke River, Townsville, Hughenden, Charters Towers, Bowen, Tangorin, Buchanan and Mount Coolon standard 1:250,000 Map Sheet areas.
Westmoreland	Qld	Airborne magnetic and radiometric	54%	N/A	Over an area of approx 20,710 km² 59,753 line km north-south	400 m	60 m	Data acquisition commenced on 3 September 2007. The survey covers parts of the Mornington, Westmoreland, Cape Van Dieman and Burketown 1:250,000 Map Sheet areas.
Cooper Basin North	Qld	Gravity	100%	3,537	N/A	4.0 km grid	N/A	Data were released on 9 October 2007 via GADDS The survey covered all or portions of the Maneroo, Longreach, Cannemara, Jundah and Blackall standard 1:250,000 Map Sheet areas.
Cooper Basin East	Qld	Airborne magnetic and radiometric	Quotation request closed 12 September 2007	N/A	Over an area of approx 76,980 km² 214,352 line km north-south	400 m	60 m	The survey covers parts of the Windorah, Eromanga, Quilpie, Thargomindah, Toompine, Bulloo and Eulo 1:250,000 Map Sheet areas.
Cooper Basin West	Qld	Airborne magnetic and radiometric	Quotation request closed 12 September 2007	N/A	Over an area of approx 74,410 km² 209,081 line km north-south and east-west	400 m	60 m	The area of the survey with east-west flight lines covers the southern half of the Birdsville and Betoota 1:250,000 Map Sheets. The area of the survey with north-south flight lines covers the Canterbury (southern half), Barrolka (all), Durham Downs (all) and Tickalara (all) 1:250,000 Map Sheets.
Cooper Basin	Qld	Gravity	5%	9,170 new stations. Over an approx area 146,700	N/A	4.0 km grid	N/A	The survey commenced on 18 October 2007. It covers all of the Canterbury, Windorah, Barrolka, Eromanga, Durham Downs, Thargomindah, Tickalara and Bulloo 1:250,000 Map Sheets and the western third of the Adavale, Quilpie, Toompine and Eulo 1:250,000 Map Sheets.
Normanton	Qld	Airborne magnetic and radiometric	Quotation request closed 16 October 2007	N/A	Over an area of approx 74,410 km² 114,487 line km east-west	400 m	80 m	The survey covers parts of the Galbraith, Walsh, Normanton and Red River 1:250,000 Map Sheets.
Tanumbirini	NT	Airborne magnetic and radiometric	100%	N/A	East-west area of 16,468 km² 47,251 line km	400 m	80 m	Data acquisition for the survey was completed on 16 September 2007. The survey covers parts of the Tanumbirini and Hodgson Downs 1:250,000 Map Sheets.
North east Tasmania	Tas	Airborne magnetic and radiometric	100%	N/A	east-west 51,280 line km	200 m	90 m	Data acquisition for the survey was completed on 12 September 2007. The survey covers Tasmanian land mass over part of the following standard 1:100,000 map sheets - Ninth Island, Cape Portland, Swan Island, St Patricks, Forester, Georges Bay, St Pauls and Break O'Day.
Bass Strait	Tas	Airborne Magnetic	Quotation request close 1 November 2007	N/A	Over an area of approx 29,021 km² 41,328 line km east-west	800 m	90 m	The survey covers Bass Strait between King and Flinders Island.
North west Tas Offshore	Tas	Airborne Magnetic	Quotation request close 1 November 2007	N/A	Over an area of approx 27,512 km² 39,075 line km east-west	800 m	90 m	The survey covers an area west of King Island.
South west Tas Offshore	Tas	Airborne Magnetic	Quotation request close 1 November 2007	N/A	Over an area of approx 16,745 km² 24,218 line km east-west	800 m	90 m	The survey covers an area south west of Tasmania.
Australia-wide	N/A	Airborne Geophysical tie-line	96%	N/A	145,000 line km north-south	75 km	80 m	Data acquisition commenced 29 March 2007.
Paterson	N/A	Airborne Electromagnetic	29%	N/A	Over an area of approx 33,950 km² 27,130 line km	N/A	N/A	New data will be acquired over two areas separated by the Rudall River National Park. The southern area comprises approximately 9,109 line kilometres of northeast-southwest flight lines spaced 1 and 2 kilometres apart with a flying height of 120 metres above ground level. The northern area comprises approximately 18,015 line kilometres of east-west flight lines spaced 1 and 2 kilometres apart with a flying height of 120 metres above ground level.

The Western Tanami gravity survey will not proceed after Geoscience Australia received advice from Geological Survey of Western Australia of its decision to cancel the survey.

Geoscience Australia will be managing the data acquisition program in Queensland, Western Australia, the Northern Territory and Tasmania.

For further information, please email Murray Richardson, or phone +61 (0)2 6249 9229.

To view past editions of Geoscience Australia's Minerals Alert, visit the Minerals Alert Newsletter Archive.

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For more information contact: Mike Huleatt

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