Geophysical Survey Datasets - Airborne Electromagnetics

Airborne Electromagnetic (AEM) data are used in minerals, energy, and groundwater resource exploration. The AEM technique takes advantage of natural variations in electrical conductivity beneath the surface, which results from variation in rock and pore fluid properties. The presence of electrically conductive minerals such as graphite, clays, and sulfide minerals, or electrically conductive fluid such as saline groundwater, results in greater conductivity relative to non-conductive mineral assemblages, or non-conductive fluid (typically fresh ground water).



AEM data are collected by transmitting an electromagnetic signal from a system attached to a plane or helicopter. The signal induces eddy currents in the ground which are detected by receiver coils towed below and behind the aircraft.



Precompetitive AEM data and associated scientific analysis assists exploration under cover by reducing risk, stimulating investment and promoting exploration for commodities. In recent years, Geoscience Australia has flown Airborne Electromagnetic (AEM) surveys across regional Australia. Data and associated interpretations from such regional surveys have led to tenement take up, stimulated exploration for a number of commodities.

Simple

Identification info

Status
Point of contact
Role Organisation Electronic mail address
Point of contact

Geoscience Australia
Spatial representation type
Vector
Topic category
  • Geoscientific information

Extent

Extent

Maintenance and update frequency
As needed
Keywords

  • airborne

  • electromagnetics

  • eddy currents

  • time domain electromagnetic (TEM)

  • frequency domain electromagnetic (FEM)

  • conductivity

  • resistivity

  • SkyTEM

  • VTEM

  • TEMPEST

  • ground water

  • minerals

  • sulfides

Place

  • World

Australian and New Zealand Standard Research Classification (ANZSRC): Fields of Research

  • Earth Sciences

Resource constraints

Use limitation

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

Access constraints
Licence Unrestricted
Use constraints
Licence Unrestricted
Language
English
Character encoding
UTF8

Distribution Information

OnLine resource

gadds:geophysical_datasets_aem

Geophysical Survey Datasets - Airborne Electromagnetics

Resource lineage

Hierarchy level
Dataset

Metadata

Metadata identifier
urn:uuid/26e6084e47dc44824e1907488825b3543b2e56f6

Language
English
Character encoding
anyValidURI
Contact
Role Organisation Electronic mail address
Point of contact

Geoscience Australia
Point of contact

Type of resource

Resource type
Dataset

Metadata linkage

Function
Complete Metadata
Metadata linkage

http://portal.auscope.org/geonetwork/srv/api/records/177abe2c-9efe-4fd2-a66e-0f1e099c3047

Date info (Revision)
2023-08-18T07:56:01
Date info (Creation)
2026-04-01T00:00:03

Metadata standard

Title

ISO 19115-3

 
 

Spatial extent

Keywords

Australian and New Zealand Standard Research Classification (ANZSRC): Fields of Research

Earth Sciences


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