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National ASTER Map Kaolin group index

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Created 13/01/2025

Updated 13/01/2025

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B6/B5 (potential includes: pyrophyllite, alunite, well-ordered kaolinite) Blue is low content, Red is high content Useful for mapping: (1) different clay-type stratigraphic horizons; (2) lithology-overprinting hydrothermal alteration, e.g. high sulphidation, "advanced argillic" alteration comprising pyrophyllite, alunite, kaolinite/dickite; and (3) well-ordered kaolinite (warmer colours) versus poorly-ordered kaolinite (cooler colours) which can be used for mapping in situ versus transported materials, respectively.

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Title National ASTER Map Kaolin group index
Language eng
Licence Not Specified
Landing Page https://devweb.dga.links.com.au/data/dataset/f911da4d-aafc-4166-b9bc-0860a12014dd
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 10/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
Data Portal Data.gov.au