Ogliastra

Porphyry copper prospect in Sardegna, Italy

Names and other identifiers

GMRAP ID 3200
Alternate names Goene
Tract name Southern and Central European Variscan (150pCu6006)
Site status prospect

Geographic location

Country Italy
State or province Sardegna
Geographic location 9.515833, 39.816944
Geologic map unit 9.515833, 39.816944
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 285Ma
Age determination method unknown
Age range 285 Ma
Age reference geologic inference
Minerals biotite, chalcopyrite, epidote, galena, magnetite, molybdenite, pyrite, sphalerite
Associated rocks andesite, basalt, granite, granodiorite, tonalite, phyllite, rhyolite dike, slate
Tectonic setting continental margin
Stratigraphic age Early Permian

Commodity and development information

Development status Prospect
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments The prospect occurs in Variscan basement, consisting of granodiorites, tonalites and granites, that have been exposed by Tertiary rifting. Sphalerite, chalcopyrite, magnetite, galena, and molybdenite are present in uneconomic concentrations in this ""aborted"" porphyry system.
Study area name Europe
References Fiori and others (1984); Helbing and others (2006); Singer and others (2008)
Site reference Sutphin and others (2013)
Fiori, M., Garbarino, C., Maccioni, L., Masi, U., Padalino, G., Palomba, M., Ranieri, G., and Violo, M., 1984, Cu-Mo-Zn mineralizations in the Hercynian plutonites from Ogliastra, in Janelidze, T.V., and Tvalchrelidze, A.G., eds., Proceedings of the 6th Quadrennial IAGOD Symposium held in Tbilisi, USSR, September 6–12: Stuttgart, E. Schweizerbart’sche Verlagsbuchhandlung, p. 321–333.
Helbing, Heiko; Frisch, Wolfgang; and Bons, P.D., 2006, South Variscan terrane accretion—Sardinian constraints on the intra-Alpine Variscides: Journal of Structural Geology v. 28, p. 1277–1291. (Also available at http://dx.doi.org/10.1016/j.jsg.2005.11.004.)Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the world—Database and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.