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Remote sensing of mafic-ultramafic rocks: examples from Australian Precambrian terranes

Created 17/10/2025

Updated 17/10/2025

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Mafic and ultramafic rocks of the intrusive Andover Complex and Munni Munni Complex of the West Pilbara, and the Panton Intrusion of the East Kimberley, Western Australia, have been discriminated by Landsat-5 TM imagery. Band-ratioing procedures were used to enhance spectral differences determined from field spectral-reflectance information. For the Andover and Munni Munni Complexes, lithological discrimination is mainly based on the spectral response of different weathering products of the various ultramafic rock types. For the Panton Intrusion, the discrimination represents variations in the weathering products of the plagioclase-rich gabbroic units. Discrimination was hampered by vegetation-spinifex and lichen-and by fireburns.

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Additional Info

Field Value
Title Remote sensing of mafic-ultramafic rocks: examples from Australian Precambrian terranes
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/6fbbae95-bb77-49c9-ab80-22f1065cf228
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        115.04,
        -22.45
      ],
      [
        119.08,
        -22.45
      ],
      [
        119.08,
        -19.71
      ],
      [
        115.04,
        -19.71
      ],
      [
        115.04,
        -22.45
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Remote sensing of mafic-ultramafic rocks: examples from Australian Precambrian terranes". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/remote-sensing-of-mafic-ultramafic-rocks-examples-from-australian-precambrian-terranes