Data

Darling, Curnamona, Delamerian AEM Survey: Logistics Report, AEM Data, and Inversion Results

Geoscience Australia
Commonwealth of Australia (Geoscience Australia)
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/147585&rft.title=Darling, Curnamona, Delamerian AEM Survey: Logistics Report, AEM Data, and Inversion Results&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/147585&rft.publisher=Commonwealth of Australia (Geoscience Australia)&rft.description=In June to September 2022 an airborne electromagnetic (AEM) survey was flown over parts of the Curnamona Province, Delamerian Orogen and Darling Region in South Australia, New South Wales and Victoria. Geoscience Australia commissioned the survey in collaboration with the Department of Regional New South Wales as part of the Australian Government’s Exploring for the Future program. A total of 14,509 line kilometres of new data were acquired, of which 3,407 line kilometres were funded by the Department of Regional New South Wales. GA managed all aspects of the acquisition, quality control and processing of the AEM data.The survey was flown by Skytem Australia Pty Ltd using its SkyTEM312Fast AEM system. The survey was conducted on east-west lines spaced at 2,500 m and 5,000 m apart. Skytem Australia Pty Ltd also processed the data. This data package includes the acquisition and processing report, the final processed AEM data and the results of the 1D laterally constrained inversion of the data to conductivity-depth estimates that was carried out by the contractor. The data package additionally contains the results and derived products from a 1D inversion carried out by Geoscience Australia with its own inversion software.Geoscience Australia’s Exploring for the Future program provides precompetitive information to inform decision-making by government, community and industry on the sustainable development of Australia's mineral, energy and groundwater resources. By gathering, analysing and interpreting new and existing precompetitive geoscience data and knowledge, we are building a national picture of Australia’s geology and resource potential. This leads to a strong economy, resilient society and sustainable environment for the benefit of all Australians. This includes supporting Australia’s transition to a low emissions economy, strong resources and agriculture sectors, and economic opportunities and social benefits for Australia’s regional and remote communities. The Exploring for the Future program, which commenced in 2016, is an eight year, $225m investment by the Australian Government.Maintenance and Update Frequency: asNeededStatement: The data were acquired and processed by Skytem Australia Pty Ltd with their proprietary in-house data processing and inversion software. Skytem Australia Pty Ltd carried out the 1D laterally constrained inversion in the LCI component of the package. Geoscience Australia carried out the 1D inversion iand derived products n the GALEI -Inversion component of the package.&rft.creator=Commonwealth of Australia (Geoscience Australia) &rft.date=2022&rft.coverage=westlimit=139.17; southlimit=-38.06; eastlimit=143.21; northlimit=-29.80; projection=Geocentric Datum of Australia 2020 / geodetic (EPSG: 1168)&rft.coverage=westlimit=139.17; southlimit=-38.06; eastlimit=143.21; northlimit=-29.80; projection=Geocentric Datum of Australia 2020 / geodetic (EPSG: 1168)&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_rights=Creative Commons Attribution 4.0 International Licence&rft_rights=CC-BY&rft_rights=4.0&rft_rights=Any&rft_rights=Any&rft_rights=© Commonwealth of Australia (Geoscience) 2023&rft_rights=Australian Government Security Classification System&rft_rights=https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Australian Government Security Classification System&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=geoscientificInformation&rft_subject=EFTF – Exploring for the Future&rft_subject=Darling-Curnamona-Delamerian&rft_subject=airborne electromagnetics&rft_subject=conductivity&rft_subject=geophysical inversion&rft_subject=geophysics&rft_subject=Electrical and Electromagnetic Methods in Geophysics&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Brief description

In June to September 2022 an airborne electromagnetic (AEM) survey was flown over parts of the Curnamona Province, Delamerian Orogen and Darling Region in South Australia, New South Wales and Victoria. Geoscience Australia commissioned the survey in collaboration with the Department of Regional New South Wales as part of the Australian Government’s Exploring for the Future program. A total of 14,509 line kilometres of new data were acquired, of which 3,407 line kilometres were funded by the Department of Regional New South Wales. GA managed all aspects of the acquisition, quality control and processing of the AEM data.

The survey was flown by Skytem Australia Pty Ltd using its SkyTEM312Fast AEM system. The survey was conducted on east-west lines spaced at 2,500 m and 5,000 m apart. Skytem Australia Pty Ltd also processed the data. This data package includes the acquisition and processing report, the final processed AEM data and the results of the 1D laterally constrained inversion of the data to conductivity-depth estimates that was carried out by the contractor. The data package additionally contains the results and derived products from a 1D inversion carried out by Geoscience Australia with its own inversion software.

Geoscience Australia’s Exploring for the Future program provides precompetitive information to inform decision-making by government, community and industry on the sustainable development of Australia's mineral, energy and groundwater resources. By gathering, analysing and interpreting new and existing precompetitive geoscience data and knowledge, we are building a national picture of Australia’s geology and resource potential. This leads to a strong economy, resilient society and sustainable environment for the benefit of all Australians. This includes supporting Australia’s transition to a low emissions economy, strong resources and agriculture sectors, and economic opportunities and social benefits for Australia’s regional and remote communities. The Exploring for the Future program, which commenced in 2016, is an eight year, $225m investment by the Australian Government.

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Maintenance and Update Frequency: asNeeded
Statement:
The data were acquired and processed by Skytem Australia Pty Ltd with their proprietary in-house data processing and inversion software. Skytem Australia Pty Ltd carried out the 1D laterally constrained inversion in the LCI component of the package. Geoscience Australia carried out the 1D inversion iand derived products n the GALEI -Inversion component of the package.

Notes

Purpose
The aim of the survey is to provide geophysical information to support investigations of the regional geology and groundwater system, as well as better characterise the salinity, recharge and architecture of the aquifers within the upper few hundred metres of the subsurface. It will also provide data to allow for the study of the following at a reconnaissance scale: (a) trends in regolith thickness and variability; (b) variations in bedrock conductivity; (c) conductivity of key bedrock (lithology related) conductive units under cover; and (d) the groundwater systems of the region.

Created: 16 12 2022

Issued: 19 02 2023

Data time period: 2022-06-22 to 2022-09-29

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143.21,-29.8 143.21,-38.06 139.17,-38.06 139.17,-29.8 143.21,-29.8

141.19,-33.93

text: westlimit=139.17; southlimit=-38.06; eastlimit=143.21; northlimit=-29.80; projection=Geocentric Datum of Australia 2020 / geodetic (EPSG: 1168)

Subjects
Darling-Curnamona-Delamerian | EFTF – Exploring for the Future | Electrical and Electromagnetic Methods in Geophysics | Published_External | airborne electromagnetics | conductivity | geophysical inversion | geophysics | geoscientificInformation |

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Other Information
Summary document (pdf) [630 KB]

uri : https://d28rz98at9flks.cloudfront.net/147585/Darling_Curnamona_Delamerian_AEM_Survey-Data_Release_Package_Summary.pdf

Survey logistics and processing report (pdf) [72.6 MB]

uri : https://d28rz98at9flks.cloudfront.net/147585/Darling_Curnamona_Delamerian_AEM_Survey_Acquisition_and_Processing_Report.pdf

Processed electromagnetic data (zip) [604.2 MB]

uri : https://d28rz98at9flks.cloudfront.net/147585/01_EM.zip

Elevation data and associated images (zip) [27.5 MB]

uri : https://d28rz98at9flks.cloudfront.net/147585/02_DTM.zip

Inversion results from SkyTEM LCI inversion algorithm (zip) [2.9 GB]

uri : https://d28rz98at9flks.cloudfront.net/147585/03_LCI.zip

Flight path information and associated images (zip) [12.2 MB]

uri : https://d28rz98at9flks.cloudfront.net/147585/04_FPath_01.zip

Magnetic data and associated images (zip) [27.7 MB]

uri : https://d28rz98at9flks.cloudfront.net/147585/05_Magnetics.zip

Inversion results from the GALEI inversion algorithm (zip) [3.9 GB]

uri : https://d28rz98at9flks.cloudfront.net/147585/06_GALEI-Inversion.zip

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