Hydrothermal alteration at the Panorama Formation, North Pole Dome, Pilbara Craton, Western Australia

Adrian J. Brown*, Thomas J. Cudahy, Malcolm R. Walter

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

An airborne hyperspectral remote sensing dataset was obtained of the North Pole Dome region of the Pilbara Craton in October 2002. It has been analyzed for indications of hydrothermal minerals. Here we report on the identification and mapping of hydrothermal minerals in the 3.459 Ga Panorama Formation and surrounding strata. The spatial distribution of a pattern of subvertical pyrophyllite rich veins connected to a pyrophyllite rich palaeohorizontal layer is interpreted to represent the base of an acid-sulfate epithermal system that is unconformably overlain by the stromatolitic 3.42 Ga Strelley Pool Chert.

Original languageEnglish
Pages (from-to)211-223
Number of pages13
JournalPrecambrian Research
Volume151
Issue number3-4
DOIs
Publication statusPublished - 15 Dec 2006

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