Deva

Porphyry copper (Cu-Au) deposit in Hunedoara, Romania

Names and other identifiers

GMRAP ID 362
Tract name Apuseni Mountains (150pCu6003)
Site status deposit

Geographic location

Country Romania
State or province Hunedoara
Geographic location 22.87, 45.87
Geologic map unit 22.87, 45.87
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age determination method Geologic inference
Age range Neogene
Age reference Singer and others (2008)
Minerals biotite, bornite, chalcocite, chalcopyrite, clausthalite, digenite, galena, gold, hematite, magnetite, molybdenite, pyrite, sericite, sphalerite, tetrahedrite, tourmaline
Associated rocks andesite porphyry, breccia, diorite porphyry, schist, andesite, basaltic andesite, metasedimentary rocks
Tectonic setting postconvergence
Stratigraphic age Neogene

Commodity and development information

Development status Prospect
Major commodities Cu, Au
Minor commodities Ag, Bi, Te, Mo, Se
Tonnage (Mt) 20Mt
Cu grade (%) 0.7%
Au grade (g/t) 0.5g/t
Contained copper 140,000t
Gold-Moly ratio -9999

Reference information

Comments Deva is an old industrial mine on an exhausted deposit. Minvest may be appraising it for additional resources. There are known resources of 2.4 Mt at 0.26% Cu. The deposit is hosted in quartz andesite that intrudes crystalline schists in a subvolcanic setting.
Study area name Europe
References Ianovici and Borcos (1982); Ianovici and others (1977); Ivascanu and others (2003); Sillitoe (1980b); Lips and others (2006); Singer and others (2008)
Site reference Sutphin and others (2013)
Ianovici, V., and Borcos, M., 1982, Romania, in Dunning, F. W., Mykura, W., and Slater, D., eds., Mineral deposits of Europe, Volume 2—Southeast Europe: London, Institution of Mining and Metallurgy, p. 55–142.
Ianovici, V., Vlad, ?., Borco?, M., and Bo?tinescu, S., 1977, Alpine porphyry copper mineralization of West Romania: Mineralium Deposita, v. 12, p. 307–317. (Also available at http://dx.doi.org/10.1007/BF00206169.)
Ivascanu, P.M., Pettke, T., Kouzmanov, K., Heinrich, C.A, Pintea, I., Ro?u, E., and Udubasa, G., 2003, The magmatic and hydrothermal transition—Miocene Deva porphyry copper-gold deposit, South Apuseni Mts., Romania, in Eliopoulos, D.G., and others, eds., Mineral exploration and sustainable development: Rotterdam, Millpress, Society for Geology Applied to Mineral Deposits (SGA) Biennial Meeting, 7th, Athens, Greece, August 24–28, 2003 [Proceedings], v. 1, p. 283–286.
Lips, A.L.W., Bouchot, V., Deschamps, Y., Leistel, J-M., Picot, J-C., and other BRGM colleagues, 2006, A review of non-ferrous mineral deposits of Europe—Finalized initial database on primary and secondary resources for biotechnological metal extraction: BRGM, BioMinE Integrated Project (FP6 IP 500239), Deliverable DI.3 - Final Report, BRGM/RP-54957-FR, 124 p. (Abstract also available at http://biomine.brgm.fr/Documents/4BioMinEProducts/Deliverable/DI3_WP1_Resource%20identification_v061031.pdf.)
Sillitoe, R.H., 1980b, The Carpathian-Balkan porphyry copper belt–A Cordilleran perspective, in Jankovi?, S., and Sillitoe, R.H., eds., European copper deposits: Belgrade, Society for Geology Applied to Mineral Deposits (SGA), UNESCO-IGCP International Symposium, Bor, Yugoslavia, September 18–22, 1979 [Proceedings], p. 26–35.
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/.