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Abstract

Zircon trace element chemistry, particularly when combined with U–Pb dating of zircon, can provide crucial information on the temporal, and chemical evolution of magmatic-hydrothermal systems. Sixteen samples representing six different igneous units were analysed for 33 elements using LA-ICPMS. Zircons from the mineralised Luhr Hill intrusion have smaller negative Eu/Eu* anomalies than zircons from the post-mineralisation Shamrock intrusion. Zircons from the Shamrock intrusion show a different trace element chemistry to zircons from either pre- or syn-mineralisation intrusions. Zircons from the Shamrock batholith contain elevated Ho, P, U, Yb and Er. Zircons from the Yerington batholith contain elevated Dy, Tb, Y, Lu, and Yb.

Item Type:	Conference Publication
Authors/Creators:	Ahmed, AD and Cooke, DR and Agnew, P and Kobussen, A and Mills, S and Orovan, EA and Baker, M
Keywords:	zircon, geochemistry, porphyry, copper, fertility, Yerington
Journal or Publication Title:	Proceedings of the 14th SGA Biennial Meeting: Mineral Resources to Discover
Publisher:	Society for Geology Applied to Mineral Deposits
Copyright Information:	Copyright 2017 Society for Geology Applied to Mineral Deposits
Related URLs:	UTAS Profile: Cooke, DR UTAS Profile: Orovan, EA UTAS Profile: Baker, MJ
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