Magma fertility and mineralisation

Cooke, David R., Kitto, Paul A., Harris, Anthony C., Chang, Zhaoshan, Wilkinson, Jamie J., Wilkinson, Clara C., Hollings, Pete, and Webster, James D. (2009) Magma fertility and mineralisation. In: Proceedings of the 10th Biennial Meeting of the the SGA 2009 (1) pp. 8-10. From: Smart Science for Exploration and Mining: 10th Biennial Meeting of the SGA 2009, 17-20 August 2009, Townsville, QLD, Australia.

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Abstract

Magmatic-hydrothermal ore deposits form in association with a broad spectrum of calc-alkaline to alkaline magmas, from mafic through to highly evolved granitic compositions. Apart from their affiliation with high grade mineralisation, in many cases there is little or nothing obvious geochemically that distinguishes the 'fertile' mineralising intrusions from their non-fertile counterparts. Fertilisation of a magma and production of high grade ore requires a conjunction of favourable factors. These include plate tectonic processes, effective volatile exsolution during magma crystallisation, structural phenomena and disequilibrium (mixing) processes.

Item ID: 26289
Item Type: Conference Item (Research - E1)
ISBN: 978-0-9805586-8-5
Keywords: magmatic, hydrothermal, geodynamics, volatiles, exsolution, mineralisation
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Date Deposited: 18 Jun 2013 05:57
FoR Codes: 04 EARTH SCIENCES > 0403 Geology > 040307 Ore Deposit Petrology @ 100%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840102 Copper Ore Exploration @ 50%
84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840105 Precious (Noble) Metal Ore Exploration @ 50%
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