Data

Resistivity structures derived from AusLAMP magnetotellurics data in Queensland

Geoscience Australia
Duan, J. ; Kyi, D. ; Hitchman, A. ; Jiang, W.
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=info:doi10.26186/148633&rft.title=Resistivity structures derived from AusLAMP magnetotellurics data in Queensland&rft.identifier=10.26186/148633&rft.publisher=Commonwealth of Australia (Geoscience Australia)&rft.description=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 net zero emissions, strong, sustainable 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.As part of Exploring for the Future (EFTF) program with contributions from the Geological Survey of Queensland, long-period magnetotelluric (MT) data for the Australian Lithospheric Architecture Magnetotelluric Project (AusLAMP) were collected using Geoscience Australia's LEMI-424 instruments on a half-degree grid across Queensland from April 2021 to November 2022. This survey aims to map the electrical resistivity structures in the region. These results provide additional information about the lithospheric architecture and geodynamic processes, as well as valuable precompetitive data for resource exploration in this region.This data release package includes processed MT data, a preferred 3D resistivity model projected to GDA94 MGA Zone 54 and associated information for this project.The processed MT data were stored in EDI format, which is the industry standard format defined by the Society of Exploration Geophysicists. The preferred 3D resistivity model was derived from previous EFTF AusLAMP data acquired from 2016-2019 and recently acquired AusLAMP data in Queensland. The model is in SGrid format and geo-referenced TIFF format.Maintenance and Update Frequency: asNeededStatement: AusLAMP data were acquired as part of Geoscience Australia’s Exploring for the Future program from April 2021 to November 2022. The data were acquired by LEMI-424 instruments owned by Geoscience Australia, and were processed using Lemigraph software. The model was generated using new acquired data and legacy data from AusLAMP program in Queensland.&rft.creator=Duan, J. &rft.creator=Kyi, D. &rft.creator=Hitchman, A. &rft.creator=Jiang, W. &rft.date=2023&rft.coverage=westlimit=138; southlimit=-30; eastlimit=154; northlimit=-9; projection=GDA94 / geographic 2D (EPSG: 4283)&rft.coverage=westlimit=138; southlimit=-30; eastlimit=154; northlimit=-9; projection=GDA94 / geographic 2D (EPSG: 4283)&rft_rights=Creative Commons Attribution 4.0 International Licence https://creativecommons.org/licenses/by/4.0/&rft_rights=© Commonwealth of Australia (Geoscience Australia) 2023&rft_rights=Australian Government Security Classification System https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_subject=geoscientificInformation&rft_subject=EFTF – Exploring for the Future&rft_subject=AusLAMP&rft_subject=Australia’s Resources Framework&rft_subject=magnetotellurics&rft_subject=geophysical inversion&rft_subject=Queensland&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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CC-BY

Creative Commons Attribution 4.0 International Licence
https://creativecommons.org/licenses/by/4.0/

© Commonwealth of Australia (Geoscience Australia) 2023

Australian Government Security Classification System
https://www.protectivesecurity.gov.au/Pages/default.aspx

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Full description

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 net zero emissions, strong, sustainable 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.

As part of Exploring for the Future (EFTF) program with contributions from the Geological Survey of Queensland, long-period magnetotelluric (MT) data for the Australian Lithospheric Architecture Magnetotelluric Project (AusLAMP) were collected using Geoscience Australia's LEMI-424 instruments on a half-degree grid across Queensland from April 2021 to November 2022. This survey aims to map the electrical resistivity structures in the region. These results provide additional information about the lithospheric architecture and geodynamic processes, as well as valuable precompetitive data for resource exploration in this region.

This data release package includes processed MT data, a preferred 3D resistivity model projected to GDA94 MGA Zone 54 and associated information for this project.

The processed MT data were stored in EDI format, which is the industry standard format defined by the Society of Exploration Geophysicists. The preferred 3D resistivity model was derived from previous EFTF AusLAMP data acquired from 2016-2019 and recently acquired AusLAMP data in Queensland. The model is in SGrid format and geo-referenced TIFF format.

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Maintenance and Update Frequency: asNeeded
Statement:
AusLAMP data were acquired as part of Geoscience Australia’s Exploring for the Future program from April 2021 to November 2022. The data were acquired by LEMI-424 instruments owned by Geoscience Australia, and were processed using Lemigraph software. The model was generated using new acquired data and legacy data from AusLAMP program in Queensland.

Notes

Purpose
To provide additional information about the lithospheric architecture, geodynamic processes, and mineral potential in this region.

Created: 21 07 2023

Issued: 13 08 2023

This dataset is part of a larger collection

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154,-9 154,-30 138,-30 138,-9 154,-9

146,-19.5

text: westlimit=138; southlimit=-30; eastlimit=154; northlimit=-9; projection=GDA94 / geographic 2D (EPSG: 4283)

Subjects
AusLAMP | Australia’s Resources Framework | EFTF – Exploring for the Future | Electrical and Electromagnetic Methods in Geophysics | Published_External | Queensland | geophysical inversion | geoscientificInformation | magnetotellurics |

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Other Information
Download AusLAMP data (zip) [676 KB]

url : https://d28rz98at9flks.cloudfront.net/148633/148633_00_0.zip

Download AusLAMP depth slices (zip) [6.85 MB]

url : https://d28rz98at9flks.cloudfront.net/148633/148633_01_0.zip

Download AusLAMP model sgrid (zip) [14.25 MB]

url : https://d28rz98at9flks.cloudfront.net/148633/148633_02_0.zip

Download AusLAMP site locations (zip) [4.4 KB]

url : https://d28rz98at9flks.cloudfront.net/148633/148633_03_1.zip

Magnetotellurics WMS - layer names beginning with w_qld_mt:West_Qld_AusLAMP_Depth_Slice_

url : https://services.ga.gov.au/gis/magnetotellurics/wms

Magnetotellurics WCS - coverage names beginning with w_qld_mt:West_Qld_AusLAMP_Depth_Slice_

url : https://services.ga.gov.au/gis/magnetotellurics/wcs

Magnetotellurics WMTS - layer names beginning with w_qld_mt:West_Qld_AusLAMP_Depth_Slice_

url : https://services.ga.gov.au/gis/magnetotellurics/gwc/service/wmts

Magnetotellurics WMS

local : 145994

Magnetotellurics WMTS

local : 145996

Magnetotellurics WCS

local : 148911

Identifiers