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Minerals 2013, 3(1), 82-93; doi:10.3390/min3010082

High and Low Temperature Gold Mineralizations in the Fe–Cu–Zn Sulfide Deposits of Corchia Ophiolite, Northern Italian Apennine

*  and
Department of Applied Geosciences and Geophysics, University of Leoben, Peter Tunner Str.5, Leoben A8700, Austria
* Author to whom correspondence should be addressed.
Received: 7 September 2012 / Revised: 19 February 2013 / Accepted: 25 February 2013 / Published: 5 March 2013
(This article belongs to the Special Issue Advances in Economic Minerals)
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Gold has been found in the Cyprus-type volcanogenic massive sulfide ore (VMS) deposits of Corchia ophiolite (Parma province, Italy) in the Cantiere Donnini, Speranza and Pozzo mining sites. At Cantiere Donnini and Speranza, the mineralization occurs at the contact between pillow lava and sedimentary rocks. The Pozzo mineralization is hosted by a serpentinite. Concentrations of gold up to 3070 ppb have been reported for the Cantiere Donnini and up to 6295 ppb in the Pozzo mine. According to the field relationships, gold composition, mineralogical assemblage and sulfur isotope data, we can conclude that two different types of gold mineralization have been recognized in the Corchia ophiolite: (1) formed at low temperature in submarine environment (Cantiere Donnini and Speranza) and (2) formed at high temperature in the oceanic mantle (Pozzo) by segregation of an immiscible sulfide liquid.
Keywords: gold; VMS deposits; Corchia ophiolite; Italy gold; VMS deposits; Corchia ophiolite; Italy
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Federica, Z.; Garuti, G. High and Low Temperature Gold Mineralizations in the Fe–Cu–Zn Sulfide Deposits of Corchia Ophiolite, Northern Italian Apennine. Minerals 2013, 3, 82-93.

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