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National ASTER Map Ferrous iron content in MgOH/carbonate

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Created 13/01/2025

Updated 13/01/2025

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Band ratio: B5/B4 Blue is low ferrous iron content in carbonate and MgOH minerals like talc and tremolite. Red is high ferrous iron content in carbonate and MgOH minerals like chlorite and actinolite. Useful for mapping: (1) un-oxidised "parent rocks" - i.e. mapping exposed parent rock materials (warm colours) in transported cover; (2) talc/tremolite (Mg-rich - cool colours) versus actinolite (Fe-rich - warm colours); (3) ferrous-bearing carbonates (warm colours) potentially associated with metasomatic "alteration"; (4) calcite/dolomite which are ferrous iron-poor (cool colours); and (5) epidote, which is ferrous iron poor (cool colours) - in combination with FeOH content product (high).

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Field Value
Title National ASTER Map Ferrous iron content in MgOH/carbonate
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/30d248f6-4575-4c9f-abba-192997462f3e
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 10/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[111.5, -44.5], [155.0, -44.5], [155.0, -9.0], [111.5, -9.0], [111.5, -44.5]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "National ASTER Map Ferrous iron content in MgOH/carbonate". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/national-aster-map-ferrous-iron-content-in-mgoh-carbonate