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Emplacement and deformation ages of the Wyangala Granite, Cowra, NSW

Lennox, P G; Forster, Margaret; Williams, Ian

Description

New geochronological data from the Wyangala Granite in the Hill End Trough, Eastern Lachlan Fold Belt, constrain the timing of granite emplacement and subsequent deformation. SHRIMP U-Pb dating of zircon indicates that the granite crystallised in the late Silurian (425.2 ± 3.5 Ma). Subsequent west-over-east thrusting resulted in the development of mylonite along its eastern margin and cataclasis of megacrystic and groundmass feldspars, especially in pervasive shear zones within the granite....[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/74115
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120099.2014.897648

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