Journal
AUSTRALIAN JOURNAL OF EARTH SCIENCES
Volume 52, Issue 3, Pages 353-364Publisher
BLACKWELL PUBLISHING
DOI: 10.1080/08120090500134530
Keywords
Archaean; hydrothermal; hyperspectral; Mars; North Pole Dome; Pilbara Craton
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A visible and near infrared (VNIR) to shortwave infrared (SWIR) hyperspectral dataset of the Early Archaean North Pole Dome, Pilbara Craton, Western Australia, has been analysed for indications of hydrothermal alteration. Occurrence maps of hydrothermal alteration minerals were produced. It was found that using a spatial resolution on the ground of approximately 5 m and spectral coverage from 0.4 to 2.5 mu m was sufficient to delineate several hydrothermal alteration zones and associated veins, including phyllic, serpentinitic and chloritic alteration. These results suggest this level of spectral and spatial resolution would be ideal for localising shallow epithermal activity, should such activity have existed, on the surface of Mars.
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