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Mineral-scale trace element and U-Th-Pb Age Constraints on Metamorphism and Melting during the Petermann Orogeny (Central Australia)

Gregory, Courtney; Buick, Ian; Hermann, Joerg; Rubatto, Daniela

Description

High-pressure amphibolite-facies migmatitic orthogneisses from the Cockburn Shear Zone (CSZ), northern Musgrave Block in central Australia, were formed during the 580-520 Ma intraplate Petermann Orogeny. The shear-zone hosted orthogneisses are of an intermediate bulk composition that promoted the growth of rare earth element (REE)-bearing major phases (garne and hornblende), as well as numerous accessory phases (zircon, titanite, apatite, epidote and allanite), all of which are potential...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/53172
Source: Journal of Petrology
DOI: 10.1093/petrology/egn077

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