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Structure, detrital zircon U-Pb ages and 40 Ar/ 39 Ar geochronology of the Early Palaeozoic Girilambone Group, central New South Wales: subduction, contraction and extension associated with the Benambran Orogeny

Fergusson, Christopher Lloyd; Fanning, Christopher; Phillips, David; Ackerman, B.R.

Description

The Girilambone Zone is located in the northern part of the central subprovince of the Lachlan Fold Belt and its bedrock exposure includes the widespread Girilambone Group. This unit consists of two main components, low-grade, metamorphosed quartz-rich turbidites and bedded chert with Middle to Late Ordovician conodont ages in the west (Ballast Formation), and low to moderate-grade schist, psammitic schist, mafic schist and phyllite that occur in the east. Detrital zircon grains from samples of...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/81579
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120090500100044

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