A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical...
Transcript of A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical...
![Page 1: A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical Tie-line Survey (AWAGS) • 140,000km - $2.6million • Largest airborne survey ever](https://reader034.fdocuments.in/reader034/viewer/2022050612/5fb3085259d8a1138077ce48/html5/thumbnails/1.jpg)
AusIMM Uranium Conference June 2009
A New Radiometric Map and Data Set for Australia: Implications for
Uranium Exploration
Dr Neil Williams PSMCEO
Geoscience Australia
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AusIMM Uranium Conference June 2009
Australian Uranium Exploration
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Uranium Exploration (A$ million) Uranium Price (US$/lb U3O8)
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AusIMM Uranium Conference June 2009
Australia’s new 1:1 m digital geological map
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AusIMM Uranium Conference June 2009
Old Radiometrics Map of Australia
• Radiometrics data have been collected by Australian Governments for over 40 years
• More than 550 separate surveys (28million line km)
• Different flying heights, spectrometer types, and other variables
• Data cannot be levelled to a common datum• Impossible to merge surveys into a
consistent national image
Red = potassiumBlue = uraniumGreen = thorium
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AusIMM Uranium Conference June 2009
• Australia Wide Airborne Geophysical Tie-line Survey (AWAGS)
• 140,000km - $2.6million• Largest airborne survey
ever flown (by area)• Only survey to cover an
entire continent• Radiometrics and
magnetics data• Established a datum for
levelling all existing and future surveys
New Radiometrics Map of Australia
AWAGS Flight PathsLine Spacing N-S: 75km
E-W: 400kmFlying Height 80m
![Page 6: A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical Tie-line Survey (AWAGS) • 140,000km - $2.6million • Largest airborne survey ever](https://reader034.fdocuments.in/reader034/viewer/2022050612/5fb3085259d8a1138077ce48/html5/thumbnails/6.jpg)
AusIMM Uranium Conference June 2009
Old Radiometrics Map of Australia
Red = potassiumBlue = uraniumGreen = thorium
![Page 7: A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical Tie-line Survey (AWAGS) • 140,000km - $2.6million • Largest airborne survey ever](https://reader034.fdocuments.in/reader034/viewer/2022050612/5fb3085259d8a1138077ce48/html5/thumbnails/7.jpg)
AusIMM Uranium Conference June 2009
New Radiometrics Map of Australia
Red = potassiumBlue = uraniumGreen = thorium
![Page 8: A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical Tie-line Survey (AWAGS) • 140,000km - $2.6million • Largest airborne survey ever](https://reader034.fdocuments.in/reader034/viewer/2022050612/5fb3085259d8a1138077ce48/html5/thumbnails/8.jpg)
AusIMM Uranium Conference June 2009
Old Radiometrics Map of Australia
Red = potassiumBlue = uraniumGreen = thorium
![Page 9: A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical Tie-line Survey (AWAGS) • 140,000km - $2.6million • Largest airborne survey ever](https://reader034.fdocuments.in/reader034/viewer/2022050612/5fb3085259d8a1138077ce48/html5/thumbnails/9.jpg)
AusIMM Uranium Conference June 2009
New Radiometrics Map of Australia
Red = potassiumBlue = uraniumGreen = thorium
PINE CREEK
NORTHERN YILGARN
BANGEMALL BASIN
NORTHERN FLINDERS RANGESRed = potassiumBlue = uraniumGreen = thorium
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AusIMM Uranium Conference June 2009
Pine Creek Region
Red = potassiumBlue = uraniumGreen = thorium
PINE CREEK
Red = potassiumBlue = uraniumGreen = thorium
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AusIMM Uranium Conference June 2009
Pine Creek Region
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AusIMM Uranium Conference June 2009
Coronation Hill U deposit
Rock Hole U deposit
1.7 – 2.5 ppm> 2.5 ppm
Uranium
Pine Creek Region
0 10 km
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AusIMM Uranium Conference June 2009
10 - 20> 20
U2/Th
Coronation Hill U deposit
Rock Hole U deposit
Pine Creek Region
0 10 km
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AusIMM Uranium Conference June 2009
Northern Yilgarn Region
Red = potassiumBlue = uraniumGreen = thorium
NORTHERN YILGARN
Red = potassiumBlue = uraniumGreen = thorium
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AusIMM Uranium Conference June 2009
Yeelirrie U deposit
Northern Yilgarn Region
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AusIMM Uranium Conference June 2009
Yeelirrie region: U channel over the hillshaded SRTM DEM
1.7 – 2.5 ppm> 2.5 ppm
Uranium
0 30km
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AusIMM Uranium Conference June 2009
U channel and mapped granite outcrop (shown in yellow) over the SRTM DEM
1.7 – 2.5 ppm> 2.5 ppm
Uranium
Granites
0 30km
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AusIMM Uranium Conference June 2009
U2/Th with palaeochannels highlighted in blue
Yeelirrie U deposit
Lake Way U deposit
Lake Maitland U deposit
10 - 20> 20
U2/Th
Granites
0 30km
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AusIMM Uranium Conference June 2009
Bangemall Basin Region
Red = potassiumBlue = uraniumGreen = thorium
BANGEMALL BASIN
Red = potassiumBlue = uraniumGreen = thorium
![Page 20: A New Radiometric Map and Data Set for Australia ... · • Australia Wide Airborne Geophysical Tie-line Survey (AWAGS) • 140,000km - $2.6million • Largest airborne survey ever](https://reader034.fdocuments.in/reader034/viewer/2022050612/5fb3085259d8a1138077ce48/html5/thumbnails/20.jpg)
AusIMM Uranium Conference June 2009
Ashburton Ashburton
Bangemall BasinBangemall BasinGascoyneGascoyne
Bangemall Basin Region
0 100km
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AusIMM Uranium Conference June 2009
Ashburton Ashburton
Bangemall BasinBangemall BasinGascoyneGascoyne
1.7 – 2.5 ppm> 2.5 ppm
Uranium
Bangemall Basin
0 100km
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AusIMM Uranium Conference June 2009
Ashburton
Bangemall Basin
10 - 20> 20
U2/Th
Bangemall Basin: U2/Th over the SRTM DEM
0 50km
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AusIMM Uranium Conference June 2009
10 - 20> 20
U2/Th
Bangemall Basin: U2/Th over the SRTM DEM
0 20km
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AusIMM Uranium Conference June 2009
10 - 20> 20
U2/Th
Meso-Proterozoic argillaceous detrital sediment
(Msdb)
Bangemall Basin: U2/Th over the SRTM DEM
0 20km
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AusIMM Uranium Conference June 2009
Northern Flinders Ranges
Red = potassiumBlue = uraniumGreen = thorium
NORTHERN FLINDERS RANGESRed = potassiumBlue = uraniumGreen = thorium
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AusIMM Uranium Conference June 2009
Northern Flinders Ranges
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AusIMM Uranium Conference June 2009
Uranium content in igneous rocks maps: WR geochem + 1:1m surface geology & solid geology
(Anthony Schofield)
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AusIMM Uranium Conference June 2009
Onshore Energy Security Program: New data and concepts for uranium exploration
• Release of 3 maps and report on Uranium content of igneous rocks of Australia
• Release of report on Uranium ore- forming systems
Visit Geoscience Australia booth for more information
Uranium ore-forming systems: Processes, deposit continuum scheme, and exploration criteria
Uranium content of igneous rocksof Australia 1:5m scale maps:Explanatory notes and discussion
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AusIMM Uranium Conference June 2009
Summary
• Australia is under-explored for uranium
• New precompetitive data sets like those underpinning the 1:1m digital geology map of Australia, and the radiometrics map will be invaluable of uranium-exploration project generation
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AusIMM Uranium Conference June 2009
THANK YOU