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