Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/58845
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Type: Journal article
Title: Understanding gold-(silver)-telluride-(selenide) mineral deposits
Author: Cook, N.
Ciobanu, C.
Spry, P.
Voudouris, P.
Citation: Episodes, 2009; 32(4):249-263
Publisher: Int Union Geological Sciences
Issue Date: 2009
ISSN: 0705-3797
2586-1298
Statement of
Responsibility: 
Nigel J. Cook, Cristiana L. Ciobanu, Paul G. Spry, Panagiotis Voudouris and the participants of IGCP-486
Abstract: Gold-(silver)-telluride (selenide) ores occur as epithermal orogenic and intrusion related deposits. Although Te and Se are chalcophile elements and share geochemical affinity with Au, formation of selenides and other elements Ag-Au require acidic or reducing enfironments. The thermodynamic stability conditions for Au and Ag-tellurides and native tellurium indicate an epithermal environment. Analysis of mineral paragenensis, textures and compositional variation in tellurides/selenides suggest petrogenetic processes involving interaction with fluids leading to Au scavenging and entrapment in tellurides, changes in chemistry/rates of fluid infiltration and attaining equilibrium in a given assemblage.
Rights: Copyright 2009 International Union of Geological Sciences
RMID: 0020095435
DOI: 10.18814/epiiugs/2009/v32i4/002
Grant ID: http://purl.org/au-research/grants/arc/DP0560001
Appears in Collections:Earth and Environmental Sciences publications

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