Variations of Ag/Au ratios in hydrothermal ore bodies

Variations of Ag/Au ratios in hydrothermal ore bodies

The analysis of the Ag and Au contents in ore bodies of different formation types reveals that the Ag/Au ratio functionally depends on the relative sulfide index of the ores (the ratio between the product of the Pb, Zn, and Cu content and the gold content). The functional dependence is best approxim...

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Veröffentlicht in:Russian journal of Pacific geology 2009-02, Vol.3 (1), p.91-98
1. Verfasser: Nevstruev, V. G.
Format: Artikel
Sprache:eng
Schlagworte:
Earth and Environmental Science
Earth Sciences
Geochemistry
Geology
Geophysics
Minerals
Plate tectonics
Sedimentary geology
Volcanoes
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Zusammenfassung:The analysis of the Ag and Au contents in ore bodies of different formation types reveals that the Ag/Au ratio functionally depends on the relative sulfide index of the ores (the ratio between the product of the Pb, Zn, and Cu content and the gold content). The functional dependence is best approximated by a power function. Based on 85 geochemical characteristics of 29 deposits, it is shown that the Ag/Au ratios differ in the ore bodies of volcanic and volcano-plutonic types.
ISSN:1819-7140
1819-7159
DOI:10.1134/S1819714009010096