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Australian continental-scale multilayered chronostratigraphic interpretation of airborne electromagnetics

<div> A key issue for explorers in Australia is the abundant sedimentary and regolith cover obscuring access to underlying potentially prospective rocks. &nbsp;Multilayered chronostratigraphic interpretation of regional broad line-spaced (~20&nbsp;km) airborne electromagnetic (AEM) conductivity sections have led to breakthroughs in Australia’s near-surface geoscience. &nbsp;A dedicated/systematic workflow has been developed to characterise the thickness of cover and the depth to basement rocks, by delineating contact geometries, and by capturing stratigraphic units, their ages and relationships. &nbsp;Results provide a fundamental geological framework, currently covering 27% of the Australian continent, or approximately 2,085,000&nbsp;km2. &nbsp;Delivery as precompetitive data in various non-proprietary formats and on various platforms ensures that these interpretations represent an enduring and meaningful contribution to academia, government and industry.&nbsp;The outputs support resource exploration, hazard mapping, environmental management, and uncertainty attribution.&nbsp;This work encourages exploration investment, can reduce exploration risks and costs, helps expand search area whilst aiding target identification, and allows users to make well-informed decisions. Presented herein are some key findings from interpretations in potentially prospective, yet in some cases, underexplored regions from around Australia.&nbsp;</div>

This abstract was submitted & presented to the 8th International Airborne Electromagnetics Workshop (AEM2023) ( https://www.aseg.org.au/news/aem-2023)

Simple

Identification info

Date (Creation)
2023-03-03T05:00:00
Date (Publication)
2024-01-31T22:54:19
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/147679

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Commonwealth of Australia (Geoscience Australia)

Voice
Author

Wong, S.

Internal Contact
Author

Roach, I.

Internal Contact
Author

Connors, K.

External Contact
Author

Vilhena, J.

External Contact
Author

Pitt, L.

Internal Contact
Author

Nicoll, M.

Internal Contact
Author

Hope, J.

Internal Contact
Author

Bonnardot, M.

Internal Contact
Author

Brodie, R.

Internal Contact
Author

LeyCooper, Y.

Internal Contact
Name

8th International Airborne Electromagnetics Workshop (AEM2023) 4-8 September 2023 Fitzroy Island, QLD

Purpose

Extended Abstract for the AEM 2023 - 8th International Airborne electromagnetic Workshop. This abstract is aimed at promoting Geoscience Australia's pre-competitive airborne electromagnetic interpretation products and presenting some key findings from the interpretation.

Status
Completed
Point of contact
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

Wong, S.

Internal Contact
Spatial representation type
Topic category
  • Geoscientific information

Extent

N
S
E
W


Maintenance and update frequency
Not planned

Resource format

Title

Product data repository: Various Formats

Website

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
  • EFTF – Exploring for the Future

Project
  • Australia’s Resources Framework

Project
  • Australia’s Future Energy Resources

Project
  • ARF

Project
  • AFER

Keywords
  • AusAEM interpretation

Keywords
  • AEM

Keywords
  • airborne electromagnetics

Keywords
  • airborne electromagnetics interpretation

Keywords
  • geophysical interpretation

Keywords
  • cover thickness

Keywords
  • depth to basement

Keywords
  • Minerals

Keywords
  • Energy

Keywords
  • Groundwater

Keywords
  • Basins

theme.ANZRC Fields of Research.rdf
  • Resource geoscience

  • Stratigraphy (incl. biostratigraphy

  • sequence stratigraphy and basin analysis)

  • Structural geology and tectonics

  • Sedimentology

  • Geology not elsewhere classified

  • Electrical and electromagnetic methods in geophysics

  • Applied geophysics

  • Groundwater hydrology

Keywords
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

https://creativecommons.org/licenses/by/4.0/

Addressee
Role Organisation / Individual Name Details
User

Any

Use constraints
License
Use constraints
Other restrictions
Other constraints

© Commonwealth of Australia (Geoscience Australia) 2023

Resource constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Classification system

Australian Government Security Classification System

Associated resource

Association Type
Was generated by
Title

Multilayered chronostratigraphic airborne electromagnetic interpretation workflow

Citation identifier
147251

Citation identifier
77ad7de5-c591-4f16-aec5-d34cc44be678

Website

https://pid.geoscience.gov.au/dataset/ga/147251

Link to eCat metadata record landing page

Associated resource

Association Type
Was informed by
Title

Canning Basin AusAEM interpretation: hydrogen storage potential and multilayered mapping

Citation identifier
146376

Citation identifier
968b4ce2-7055-468c-95d4-cdda65cc5cb8

Website

https://pid.geoscience.gov.au/dataset/ga/146376

Link to eCat metadata record landing page

Associated resource

Association Type
Series
Title

AusAEM1 Interpretation Data Package

Citation identifier
145120

Citation identifier
430acf3d-cdf6-4a78-abbc-d2f9eae5bf91

Website

https://pid.geoscience.gov.au/dataset/ga/145120

Link to eCat metadata record landing page

Associated resource

Association Type
Was informed by
Title

Interpretation of the AusAEM1: insights from the world’s largest airborne electromagnetic survey

Citation identifier
134283

Citation identifier
92b3093b-4000-4292-8065-3f146d1baae9

Website

https://pid.geoscience.gov.au/dataset/ga/134283

Link to eCat metadata record landing page

Associated resource

Association Type
Series
Title

Canning Basin AusAEM Airborne Electromagnetic Interpretation Data Package

Citation identifier
147597

Citation identifier
2b95d02c-ab4b-49a0-b7fb-fc9a3ec31765

Website

https://pid.geoscience.gov.au/dataset/ga/147597

Link to eCat metadata record landing page

Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice facsimile
OnLine resource

Link to Conference Page

Link to Conference Page

Distribution format
OnLine resource

Link to Extended Abstract

Link to Extended Abstract

Distribution format
OnLine resource

Download Presentation (pptx) [72.2 MB]

Download Presentation (pptx) [72.2 MB]

Distribution format
  • pptx

    File decompression technique

    nil

Resource lineage

Statement

<div>The work described in this abstract is based on the multilayered chronostratigraphic interpretation of airborne electromagnetics. These interpretations link to the workflow developed at Geoscience Australia, and the interpretation of airborne electromagnetics across the continent that uses this workflow. The interpreted airborne electromagnetic conductivity sections were acquired by Geoscience Australia in collaboration with state and territory geological surveys, and were inverted using Geoscience Australia's deterministic inversion code.</div>

Metadata constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/ac95ed64-caa9-4fea-ad73-a5c5cd06ffbe

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Wong, S.

Internal Contact

Type of resource

Resource scope
Document
Name

Conference Abstract

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/147679

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/ac95ed64-caa9-4fea-ad73-a5c5cd06ffbe

Metadata linkage

https://ecat.ga.gov.au/geonetwork/js/eng/catalog.search#/metadata/ac95ed64-caa9-4fea-ad73-a5c5cd06ffbe

Date info (Creation)
2024-01-30T04:50:51
Date info (Revision)
2024-01-30T04:50:51

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
http://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

AFER ARF Australia’s Future Energy Resources Australia’s Resources Framework EFTF – Exploring for the Future
theme.ANZRC Fields of Research.rdf
Applied geophysics Electrical and electromagnetic methods in geophysics Geology not elsewhere classified Groundwater hydrology Resource geoscience Sedimentology Stratigraphy (incl. biostratigraphy Structural geology and tectonics sequence stratigraphy and basin analysis)

Provided by

Access to the portal
Read here the full details and access to the data.

Associated resources

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