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Depositional environment, stratigraphy, structure and paleobiology of the Hatchery Creek Group (Early- Middle Devonian) near Wee Jasper, New South Wales

Hunt, James R; Young, Gavin

Description

A revised depositional model of predominantly swampy rather than lacustrine conditions is proposed for the upper dark shales and mudstones (Corradigbee Formation) of the Hatchery Creek Group. The whole sequence is interpreted as a humid alluvial fan deposit, conformable on underlying limestones, with a total thickness of about 1800 m. Cyclic sedimentation probably resulted from climatic fluctuations much longer than seasonal events and may reflect Milankovitch cyclicity. The most recent...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/52957
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120099.2012.625447

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