Product catalogue
AusLAMP - mapping lithospheric architecture and mineral potential in central and eastern Australia
<div>The Australian Lithospheric Architecture Magnetotelluric Project (AusLAMP) is a collaborative national survey between federal government, state/territory governments and research organisations. The project aims to acquire long-period magnetotelluric (MT) data at half-degree spacing (~55 km) across the Australian continent. AusLAMP started in 2013 and has completed about 1500 stations (~50% of total planned stations) to date. Over the last decade, regional-scale AusLAMP resistivity/conductivity models have been produced following data acquisition campaigns, but there is a strong demand for a single model. We produced a resistivity model from 1260 AusLAMP stations incorporating 85% of data acquired to date. The new AusLAMP resistivity model shows significant variations of resistivity at varying depths from a few kilometres to a couple of hundred kilometres in the crust and upper mantle. The model resolves the first-order resistivity structure of the Australian lithosphere across most parts of central and eastern Australia, including Tasmania. The resolved resistivity structures allow seamless interpretation across states and regions, broadly conform with identified major geological domains and crustal boundaries, and reveal significant variations within geological provinces, orogens and cratons. There are also strong spatial associations between crustal/mantle conductors and copper and gold deposits and carbonatites, which provide further evidence that major lithospheric conductors control the distributions of a range of mineral systems. This evidence aligns well with the conceptual model of mineral systems, that convecting mantle fluid and metal-rich magma can migrate into the crust through weak zones to form some ore deposits in the lithosphere. This new AusLAMP model demonstrates that long-period MT data are an important first-order reconnaissance dataset to resolve large-scale lithospheric architecture and provides a powerful tool with a bottom-up approach to highlight potential exploration areas, particularly in covered and under-explored regions.
Presented at the 2024 Australian Society of Exploration Geophysicists (ASEG) Discover Symposium
Simple
Identification info
- Date (Creation)
- 2024-07-14T12:00:00
- Date (Publication)
- 2024-10-30T21:46:09
- Citation identifier
- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/149750
- Cited responsible party
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Role Organisation / Individual Name Details Publisher Commonwealth of Australia (Geoscience Australia)
Voice Author Duan, J.
Internal Contact Author Huston, D.
Internal Contact Author Jiang, W.
Internal Contact Author Maher, P.
Internal Contact Author Hitchman, A.
Internal Contact
- Name
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Australian Society of Exploration Geophysicists (ASEG) 2024 Discover Symposium 15-18 October 2024 Hobart, Tasmania
- Purpose
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Abstract for ASEG Discover Symposium, 15-18 October 2024
- Status
- Completed
- Point of contact
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Role Organisation / Individual Name Details Resource provider Minerals, Energy and Groundwater Division
External Contact Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Point of contact Duan, J.
MEG Internal Contact
- Spatial representation type
- Topic category
-
- Geoscientific information
Extent
))
- Maintenance and update frequency
- Not planned
Resource format
- Title
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Product data repository: Various Formats
- Website
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Data Store directory containing the digital product files
Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes
- Project
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AusLAMP - Australian Lithospheric Architecture Magnetotelluric Project
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- Project
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EFTF – Exploring for the Future
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- Project
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Mineral systems
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- Keywords
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magnetotellurics
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- Keywords
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electrical conductivity
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- Keywords
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Lithospheric architecture
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- theme.ANZRC Fields of Research.rdf
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Electrical and Electromagnetic Methods in Geophysics
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- Keywords
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Published_External
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Resource constraints
- Title
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Creative Commons Attribution 4.0 International Licence
- Alternate title
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CC-BY
- Edition
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4.0
- Access constraints
- License
- Use constraints
- License
- Other constraints
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(c) Commonwealth of Australia (Geoscience Australia) 2024
Resource constraints
- Title
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Australian Government Security Classification System
- Edition date
- 2018-11-01T00:00:00
- Classification
- Unclassified
- Classification system
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Australian Government Security Classification System
Associated resource
- Association Type
- Was informed by
- Title
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AusLAMP mapping lithospheric architecture and reducing exploration search space in central and eastern Australia
- Citation identifier
- 149675
- Citation identifier
- 4c6be6d3-ff10-47cc-84f4-912a0f22feb8
Associated resource
- Association Type
- Was informed by
- Title
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Exploring for the Future program Showcase 2024 - Day 2 National Geoscience theme
- Citation identifier
- 149747
- Citation identifier
- 982a165b-1e68-4353-a072-e69f1f7e7e69
- Language
- English
- Character encoding
- UTF8
Distribution Information
- Distributor contact
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Role Organisation / Individual Name Details Distributor Commonwealth of Australia (Geoscience Australia)
Voice facsimile
- OnLine resource
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Link to Conference Page
Link to Conference Page
- Distribution format
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- OnLine resource
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Link to Conference Handbook (Page 66)
Link to Conference Handbook (Page 66)
- Distribution format
-
- OnLine resource
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Link to Abstract
Link to Abstract
- Distribution format
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Resource lineage
- Statement
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<div>This abstract describes 3D modelling of AusLAMP data to map the lithospheric architecture and mineral potential in central and eastern Australia.</div>
Metadata constraints
- Title
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Australian Government Security Classification System
- Edition date
- 2018-11-01T00:00:00
- Classification
- Unclassified
Metadata
- Metadata identifier
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urn:uuid/443bf66a-580b-4af3-8c8f-c048ba006b9e
- Title
-
GeoNetwork UUID
- Language
- English
- Character encoding
- UTF8
- Contact
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Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Point of contact Duan, J.
MEG Internal Contact
Type of resource
- Resource scope
- Document
- Name
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Conference Abstract
Alternative metadata reference
- Title
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Geoscience Australia - short identifier for metadata record with
uuid
- Citation identifier
- eCatId/149750
- Date info (Creation)
- 2024-10-22T06:15:58
- Date info (Revision)
- 2024-10-22T06:15:58
Metadata standard
- Title
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AU/NZS ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-3
- Title
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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
- Edition
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Version 2.0, September 2018
- Citation identifier
- http://pid.geoscience.gov.au/dataset/ga/122551