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SHRIMP zircon ages constraining the depositional chronology of the Hamersley Group, Western Australia

Trendall, A; Compston, William; Nelson, D R; de Laeter, J; Bennett, Victoria

Description

The Mt Bruce Supergroup of Western Australia was laid down between ca 2.8 Ga and ca 2.2 Ga in the Hamersley Basin, unconformably over a basement of the older, granite-greenstone, component of the Pilbara Craton. The Mt Bruce Supergroup consists of three groups: the Fortescue Group, Hamersley Group and Turee Creek Group in upward sequence. The Hamersley Group, which is divided into eight formations, has a general thickness of ∼2.5 km, and is characterised by major banded iron-formation (BIF)...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/87199
Source: Australian Journal of Earth Sciences
DOI: 10.1111/j.1400-0952.2004.01082.x

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