Data

Gawler Craton Airborne Survey Tranche 3 Magnetics / Radiometrics / Elevation

Geoscience Australia
Hutchens, M. ; Goodwin, J.A. ; Kroll, A.
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://pid.geoscience.gov.au/dataset/ga/134431&rft.title=Gawler Craton Airborne Survey Tranche 3 Magnetics / Radiometrics / Elevation&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/134431&rft.publisher=Geoscience Australia&rft.description=The Geological Survey of South Australia commissioned the Gawler Craton Airborne Survey (GCAS) as part of the PACE Copper initiative. The airborne geophysical survey was flown over parts of the Gawler Craton in South Australia. The program was designed to capture new baseline geoscientific data to provide further information on the geological context and setting of the area for mineral systems (http://energymining.sa.gov.au/minerals/geoscience/pace_copper/gawler_craton_airborne_survey). The survey design of 200 m spaced lines at a ground clearance of 60 m can be compared with the design of previous regional surveys which generally employed 400 m line spacing and a ground clearance of 80 m. The new survey design results in ~2 x the data coverage and ~25% closer to the ground when compared to previous standards for regional surveys in South Australia. Survey blocks available for download include: Streaky Bay, block 5 Gairdner, block 6A Spencer, block 7 Kingoonya, block 9B The following grids are available in this download: • Laser-derived digital elevation model grids (m). Height relative to the Australian Height Datum. • Radar-derived digital elevation model grids (m). Height relative to the Australian Height Datum. • Total magnetic intensity grid (nT). • Total magnetic intensity grid with variable reduction to the pole applied (nT). • Total magnetic intensity grid with variable reduction to the pole and first vertical derivative applied (nT/m). • Dose rate concentration grid (nGy/hr). • Potassium concentration grid (%). • Thorium concentration grid (ppm). • Uranium concentration grid (ppm). • NASVD processed dose rate concentration grid (nGy/hr). • NASVD processed potassium concentration grid (%). • NASVD processed thorium concentration grid (ppm). • NASVD processed uranium concentration grid (ppm). The following point located data are available in this download: • Elevation. Height relative to the Australian Height Datum. Datum: GDA94 • Total Magnetic Intensity. Datum: GDA94 • Radiometrics. Datum: GDA94Maintenance and Update Frequency: asNeededStatement: Data was acquired by Magspec Airborne Surveys and GPX Surveys. Funding was supplied under the PACE initiative. Databases were supplied by Magspec Airborne Surveys and GPX Surveys. Grids were gridded using a minimum curvature method by Geoscience Australia using the databases delivered by the acquisition companies.&rft.creator=Hutchens, M. &rft.creator=Goodwin, J.A. &rft.creator=Kroll, A. &rft.date=2020&rft.coverage=westlimit=133.5; southlimit=-32.665; eastlimit=137.9021; northlimit=-30; projection=GDA94 / MGA zone 53 (EPSG:28353)&rft.coverage=westlimit=133.5; southlimit=-32.665; eastlimit=137.9021; northlimit=-30; projection=GDA94 / MGA zone 53 (EPSG:28353)&rft_rights=&rft_rights=Creative Commons Attribution 4.0 International Licence&rft_rights=CC-BY&rft_rights=4.0&rft_rights=http://creativecommons.org/licenses/&rft_rights=Australian Government Security ClassificationSystem&rft_rights=https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=geoscientificInformation&rft_subject=Geothermics and Radiometrics&rft_subject=PHYSICAL SCIENCES&rft_subject=EARTH SCIENCES&rft_subject=GEOPHYSICS&rft_subject=Magnetism and Palaeomagnetism&rft_subject=Magnetics&rft_subject=Gawler Craton&rft_subject=Radiometrics&rft_subject=Digital Elevation Model&rft_subject=Airborne Geophysics&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Brief description

The Geological Survey of South Australia commissioned the Gawler Craton Airborne Survey (GCAS) as part of the PACE Copper initiative. The airborne geophysical survey was flown over parts of the Gawler Craton in South Australia. The program was designed to capture new baseline geoscientific data to provide further information on the geological context and setting of the area for mineral systems (http://energymining.sa.gov.au/minerals/geoscience/pace_copper/gawler_craton_airborne_survey).

The survey design of 200 m spaced lines at a ground clearance of 60 m can be compared with the design of previous regional surveys which generally employed 400 m line spacing and a ground clearance of 80 m. The new survey design results in ~2 x the data coverage and ~25% closer to the ground when compared to previous standards for regional surveys in South Australia.

Survey blocks available for download include:

Streaky Bay, block 5

Gairdner, block 6A

Spencer, block 7

Kingoonya, block 9B

The following grids are available in this download:

• Laser-derived digital elevation model grids (m). Height relative to the Australian Height Datum.

• Radar-derived digital elevation model grids (m). Height relative to the Australian Height Datum.

• Total magnetic intensity grid (nT).

• Total magnetic intensity grid with variable reduction to the pole applied (nT).

• Total magnetic intensity grid with variable reduction to the pole and first vertical derivative applied (nT/m).

• Dose rate concentration grid (nGy/hr).

• Potassium concentration grid (%).

• Thorium concentration grid (ppm).

• Uranium concentration grid (ppm).

• NASVD processed dose rate concentration grid (nGy/hr).

• NASVD processed potassium concentration grid (%).

• NASVD processed thorium concentration grid (ppm).

• NASVD processed uranium concentration grid (ppm).

The following point located data are available in this download:

• Elevation. Height relative to the Australian Height Datum. Datum: GDA94

• Total Magnetic Intensity. Datum: GDA94

• Radiometrics. Datum: GDA94

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Data was acquired by Magspec Airborne Surveys and GPX Surveys. Funding was supplied under the PACE initiative. Databases were supplied by Magspec Airborne Surveys and GPX Surveys. Grids were gridded using a minimum curvature method by Geoscience Australia using the databases delivered by the acquisition companies.

Notes

Purpose
Point located and gridded aeromagnetic, radiometric and digital elevation model data.

Created: 17 02 2020

Issued: 06 04 2020

Data time period: 2017-01-19 to 2019-06-25

This dataset is part of a larger collection

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137.9021,-30 137.9021,-32.665 133.5,-32.665 133.5,-30 137.9021,-30

135.70105,-31.3325

text: westlimit=133.5; southlimit=-32.665; eastlimit=137.9021; northlimit=-30; projection=GDA94 / MGA zone 53 (EPSG:28353)

Subjects
Airborne Geophysics | Digital Elevation Model | EARTH SCIENCES | GEOPHYSICS | Gawler Craton | Geothermics and Radiometrics | Magnetics | Magnetism and Palaeomagnetism | PHYSICAL SCIENCES | Published_External | Radiometrics | geoscientificInformation |

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Other Information
GCAS T3 MagRadElev Description and Contents [805 KB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_24_1.pdf

P1308 GCAS 5 Streaky Bay Elevation Grids [54.5 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_00_1.zip

P1308 GCAS 5 Streaky Bay Magnetics Grids [125 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_01_1.zip

P1308 GCAS 5 Streaky Bay Radiometrics Grids [286 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_02_1.zip

P1308 GCAS 5 Streaky Bay Elevation Line Data [153 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_03_1.zip

P1308 GCAS 5 Streaky Bay Magnetics Line Data [455 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_04_1.zip

P1308 GCAS 5 Streaky Bay Radiometrics Line Data [76.4 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_05_1.zip

P1309 GCAS 6 Gairdner Elevation Grids [97.3 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_06_1.zip

P1309 GCAS 6 Gairdner Magnetics Grids [143 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_07_1.zip

P1309 GCAS 6 Gairdner Radiometrics Grids [328 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_08_1.zip

P1309 GCAS 6 Gairdner Elevation Line Data [223 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_09_1.zip

P1309 GCAS 6 Gairdner Magnetics Line Data [623 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_10_1.zip

P1309 GCAS 6 Gairdner Radiometrics Line Data [98.3 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_11_1.zip

P1310 GCAS 7 Spencer Elevation Grids [42.1 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_12_1.zip

P1310 GCAS 7 Spencer Magnetics Grids [63.4 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_13_1.zip

P1310 GCAS 7 Spencer Radiometrics Grids [150 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_14_1.zip

P1310 GCAS 7 Spencer Elevation Line Data [416 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_15_1.zip

P1310 GCAS 7 Spencer Magnetics Line Data [622 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_16_1.zip

P1310 GCAS 7 Spencer Radiometrics Line Data [46.2 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_17_1.zip

P1311 GCAS 9b Kingoonya Elevation Grids [111 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_18_1.zip

P1311 GCAS 9b Kingoonya Magnetics Grids [177 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_19_1.zip

P1311 GCAS 9b Kingoonya Radiometrics Grids [436 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_20_1.zip

P1311 GCAS 9b Kingoonya Elevation Line Data [1.03 GB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_21_1.zip

P1311 GCAS 9b Kingoonya Magnetics Line Data [1.54 GB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_22_1.zip

P1311 GCAS 9b Kingoonya Radiometrics Line Data [110 MB]

uri : https://d28rz98at9flks.cloudfront.net/134431/134431_23_1.zip

Identifiers
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