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Portrait of a reference material: zircon production in the Middledale Gabbroic Diorite, Australia, and its implications for the TEMORA standard

Iles, Kieran A.; Hergt, Janet M.; Sircombe, Keith N.; Woodhead, Jon D.; Bodorkos, Simon; Williams, Ian S.

Description

The Middledale Gabbroic Diorite (MGD) in New South Wales, Australia, is host to the internationally distributed TEMORA 2 zircon reference material and its prototype, TEMORA 1. The original characterisation of the source of the reference zircons revealed that the more altered TEMORA 2 host rock contains an order of magnitude more zircon than the TEMORA 1 host, despite similar bulk-rock Zr concentrations. Although TEMORA 1 and 2 preserve the same U-Pb age, they are variable in oxygen isotope...[Show more]

CollectionsANU Research Publications
Date published: 2015-03-08
Type: Journal article
URI: http://hdl.handle.net/1885/14194
Source: Chemical Geology
DOI: 10.1016/j.chemgeo.2015.02.036

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