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Oxygen solubility and speciation in sulphide-rich mattes

Da Fonseca, Raul; Campbell, Ian; O'Neill, Hugh; Fitz Gerald, John

Description

Sulphide-rich liquids are common in magmatic environments forming over a wide range of temperature, pressure, fO2 and fS2. They are economically important because they sequester valuable metals such as Cu, Ni, Au and Pt from silicate melts. The presence of accessory amounts of primary oxides associated with sulphide mineralisations is often ignored or unexplained. Experimental work has shown that large amounts of oxygen can dissolve into mattes at fO2 typical of terrestrial environments. At the...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
URI: http://hdl.handle.net/1885/51730
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2008.03.009

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