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Dumitru Potok

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Porphyry copper deposit in Bor, Serbia

Names and other identifiers

GMRAP ID 3106
Tract name Transylvania-Balkan Mountains (150pCu6001)
Group name Dumitru Potok Group
Included sites Group includes Dumitru Potok and Valja Strz deposits.
Site status deposit

Geographic location

Country Serbia
State or province Bor
Geographic location 21.932246, 44.232261
Geologic map unit 21.932246, 44.232261
Nearby data
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Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Late Cretaceous
Age reference geologic inference
Minerals antimonite, arsenopyrite, boulangerite, chalcopyrite, pyrite, magnetite, marcasite, molybdenite, galena, sphalerite
Associated rocks andesite, quartz diorite, pyroclastic rocks, monzodiorite
Tectonic setting continental margin
Stratigraphic age Late Cretaceous

Commodity and development information

Development status Past Producer
Major commodities Cu
Minor commodities Mo, Se, Au, Ag
Tonnage (Mt) 290Mt
Cu grade (%) 0.21%
Au grade (g/t) 0.1g/t
Contained copper 610,000t
Gold-Moly ratio -9999

Reference information

Comments A dormant deposit in the Bor district. Adjacent to the Late Cretaceous to Early Tertiary Crni Vrh plutonic complex which was emplaced along a regional fracture zone on the western margin of the Timoc Magmatic Complex into Late Cretaceous andesites and clay-rich sediments. Alteration at the margins and in the central parts of the plutonic complex in a zone > 8 km long. Alteration includes propylitic, dominated by chlorite and epidote with silicification and pyritization. Valja Strz and Dumitru Potok deposits are relatively large but of sub-marginal grades; epithermal mineralization developed at the margins of these bodies (Porter GeoConsultancy, 2011). Porter GeoConsultancy (2011) reports that the plutons are generally potassic, and strontium 87Sr/86Sr ratios indicate a continental crust contaminated mantle source. Bor (Timoc) district.
Study area name Europe
References Jovanovic (1974); Lips (2006); Porter GeoConsultancy (2011); Mazzoni and others (2010); Serbia Ministry of Mining and Energy (2010); Dundee Precious Metals Inc. (2008)
Site reference Sutphin and others (2013)
Dundee Precious Metals Inc., 2008, DPM exploration defines a cluster of Cu-Au-Mo-Ag porphyries in the Coka Kuruga mining concession, Bor district, eastern Serbia: Dundee Precious Metals Inc. press release, September 12, 2008, 18 p. (Also available at http://www.marketwired.com/press-release/dpm-exploration-defines-cluster-cu-au-mo-ag-porphyries-coka-kuruga-mining-concession-tsx-dpm-899422.htm.)
Jovanovic, M., 1974, [Porphyry copper deposits in the Dumitru Potok-Valja Strz area]: Belgrade, Serbia, University of Belgrade Mag. thesis.
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.)Mazzoni, Paul; Macfarlane, Iain; and Witt, Chris, 2010, Timok project, Serbia: National Instrument 43–101 Technical Report prepared by Coffey Mining Pty Ltd. for Rodeo Capital Corp., [255] p., accessed August 3, 2011, at http://www.avalaresources.com/i/pdf/Technical-Report-Timok-Project-Serbia.pdf.Monthel, J., Vadala, P., Leistel, J.M., Cottard, F., Ilic, M., Strumberger, A., Tosovic, R., and Stepanovic, A., 2002, Mineral deposits and mining districts of Serbia—Compilation map and GIS databases: Serbia Ministry of Mining and Energy, Geoinstitut, and BRGM, BRGM/RC-51448-FR, 67 p. and appendixes, databases, and map, scale 1:750,000, CD-ROM. (Also available at http://giseurope.brgm.fr/GIS_SERBIA/RC_51448_FR.pdf.)Porter GeoConsultancy, 2011, Valja Strzh, [and] Dumitru Potok, Serbia: Porter Geoconsultancy Web page, accessed August 3, 2011, at http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn981.[Serbia] Ministry of Mining and Energy, 2010, Mineral deposits of Serbia—Ore deposit database: [Serbia] Ministry of Mining and Energy, Report BRGM/RC-51448-FR, 301 p., accessed September 13, 2013, at http://giseurope.brgm.fr/GIS_SERBIA/SerbiaOreDeposits.pdf.