Mount Isa Project
The years 2006 and 2007 have seen a major increase in acquisition of gravity and airborne geophysics data in the Mount Isa area.
Survey A, over 25 976 km2 (6,566 stations), was completed in June and released in July 2006.
Survey B (B1 and B2), over 78 508 km2 (9898 stations), was completed in October and released in December 2006.
Survey C (C1 and C2), over 68 496 km2 (9043 stations) commenced in October 2006, and was completed on 2nd February and released in March 2007.
Surveys D and E, over 172 440 km2 (11 136 stations) commenced on 1st February and were completed on the 30th May, and released on 3rd July 2007.
Station intervals are 4kmx4km except for B1 and C1 which are 2kmx2km.
Released data are available for download from the National Gravity Database held by Geoscience Australia.
Isa airborne geophysics Project
The Isa West survey to the west of Mount Isa collected 63 533 line kilometres of new magnetic and radiometric data over an area of approximately 21 937km2 . It was completed in April 2006 and released in August 2006.
The Isa South (W) survey collected 140 371 line kilometres of data over an area of approximately 49 936 km2. It was completed in August 2006 and was released on the 16th February 2007.
The Isa South (E) survey collected 100 972 line kilometres of data over an area of approximately 35 853km2. It was completed on the 12th November 2006 and was released on 4th April 2007.
The Isa East (N) and Isa East (S) surveys were completed on 15th July. The Isa East (N) survey, which collected 113 195 line kilometres over 39 897km2, was released on 9th October 2007. The Isa East (S) survey, which collected 113195 line kilometres over 51 373km2, was released on 27th November.
The Croydon survey, which collected 100 320 line kilometres over 35 206km2 , was released on 8th February 2008.
The Westmoreland survey, which collected 60 543 line kilometres over 20 911km2, was released on 13th May 2008.
All surveys are carried out at a line spacing of 400m and a ground clearance of 80m.
Released data are available from the GADDS system at Geoscience Australia, or on DVD from the Department of Mines and Energy on request.
For further information contact geophysics 07 3362 9357.
or
Geological Survey of Queensland
Block A 80 Meiers Road Indooroopilly Qld 4068
or
the geological information hotline
+61 7 3006 4666 (9.00am to 4.00pm EST on working days)
or
email the Geological Information Hotline
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