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Generation of porphyry copper deposits by gas–brine reaction in volcanic arcs

Blundy, J.; Mavrogenes, J.; Tattitch, B.; Sparks, S.; Gilmer, A.

Description

Porphyry copper deposits, that is, copper ore associated with hydrothermal fluids rising from a magma chamber, supply 75% of the world’s copper. They are typically associated with intrusions of magma in the crust above subduction zones, indicating a primary role for magmatism in driving mineralization. However, it is not clear that a single, copper-rich magmatic fluid could trigger both copper enrichment and the subsequent precipitation of sulphide ore minerals within a zone of...[Show more]

CollectionsANU Research Publications
Date published: 2015-02-09
Type: Journal article
URI: http://hdl.handle.net/1885/13265
Source: Nature Geoscience
DOI: 10.1038/ngeo2351

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