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Porphyry copper deposit in Pazardzhik, Bulgaria

Names and other identifiers

GMRAP ID 375
Tract name Transylvania-Balkan Mountains (150pCu6001)
Site status deposit

Geographic location

Country Bulgaria
State or province Pazardzhik
Geographic location 24.187304, 42.604924
Geologic map unit 24.187304, 42.604924
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 89.61Ma
Age determination method U-Pb zircon
Age range 89.61 ±0.26 Ma (U-Pb zircon); 90.55 ±0.5 Ma and 91.05 ±0.5 Ma (Re-Os)
Age reference von Quadt, Peytcheva and others (2005); Zimmerman and others (2008)
Minerals actinolite, adularia, albite, anhydrite/gypsum, apatite, azurite/malachite, biotite, bornite, carbonate, carrollite, chalcanthite, chalcocite/digenite, chalcopyrite, chlorite, colusite, copper, covellite, cuprite, davidite [(Ce,La)(YU,Fe2+)(Ti,Fe3+)20(O,OH)38], digenite, djurleite, electrum, epidote, fluorite, galena, garnet, goethite/limonite, gold, hematite/specularite, hessite, ilmenite, magnetite, molybdenite, pseudo-brookite, pyrite, pyrrhotite, rutile, sericite, sphalerite, stibnite, sulvanite, tenorite, tetradymite, vaesite, zeolite
Associated rocks granodiorite porphyry, quartz monzodiorite porphyry, skarn, andesite, andesite tuff, granite, gabbro-peridotite, gneiss, granodiorite, monzodiorite
Tectonic setting continental margin
Stratigraphic age Late Cretaceous

Commodity and development information

Development status Past Producer
Major commodities Cu
Minor commodities Pt, Pd
Tonnage (Mt) 244Mt
Cu grade (%) 0.37%
Mo grade (%) 0.01%
Au grade (g/t) 0.1g/t
Contained copper 900,000t
Gold-Moly ratio 10

Reference information

Comments In ore: 0.004 g/t Pt, 0.006 g/t Pd; in concentrate: 0.36 g/t Au, 0.026 g/t Pt, 0.16 g/t Pd. Mined out 1964–1993. Exposed.
Study area name Europe
References Bogdanov (1982); Bogdanov (1983); Bogdanov (1986); Clark (1993); Economou-Eliopoulos and others (2007); Eliopoulos and others (1995); Herrington and others (2003); Kamenov and others (2007); Peytcheva and others (2007); Popov and others (1996); Strashimirov and others (2002); Tarkian and Stribrny (1999); von Quadt, Peytcheva and others (2005); Singer and others (2008); Zimmerman and others (2008)
Site reference Sutphin and others (2013)
Bogdanov, B.D., 1982, Bulgaria, in Dunning, F.W., Mykura, W., and Slater, D., eds., Mineral deposits of Europe, Volume 2—Southeast Europe: London, The Institution of Mining and Metallurgy and the Mineralogical Society, p. 215–232.
Bogdanov, B.D., 1983, Porphyry copper deposits of Bulgaria: International Geology Review, v. 25, no. 2, p. 178–188. (Also available at http://dx.doi.org/10.1080/00206818309466690.)
Bogdanov, B.D., 1986, Copper ore deposits in Bulgaria, in Petraschek, W.E., and Jankovi?, S., eds., Geotectonic evolution and metallogeny of the Mediterranean area and western Asia: Wien, Springer-Verlag, Österreichische Akademie der Wissenschaften, Schriftenrehe der Erdwissenschaftlichen Kommissionen, v. 8, p. 103–112.
Clark, A.H., 1993, Are outsize porphyry copper deposits either anatomically or environmentally distinctive?, in Whiting, B.H., Hodgson, C.J., and Mason, R., eds., Giant ore deposits: Society of Economic Geologists Special Publication 2, p. 213–283.
Economou-Eliopoulos, M., Eliopoulos, D.G., and Zhelyskova-Panayotova, M., 2007, Chlorides in the Skouries and Medet porphyry deposits of the Balkan peninsula, in Andrew, C.J., and Borg, G., eds., Mineral exploration and research—Digging deeper: Society for Geology Applied to Mineral Deposits (SGA) Biennial Meeting, 9th, Dublin, Ireland, August 20–23, 2007 [Proceedings], v. 2, p. 905–908. (Abstract also available at https://www.e-sga.org/index.php?id=231&tx_commerce_pi1%5BshowUid%5D=1140&tx_commerce_pi1%5BcatUid%5D=39&cHash=2a6963cc66.)
Eliopoulos, D.G., Economou-Eliopoulos, M., Strashimirov, S., Kovachev, V., and Zhelyskova-Panayotova, M., 1995, Gold, platinum and palladium content in Cu-deposits from Bulgaria—A study in progress in Congress of the Carpatho-Balkan Geological Association, 15th, Athens, Greece, September 17–20, 1995, Proceedings: Athens, Geological Society of Greece Special Publication 4, p. 712–716.
Herrington, R.J., First, D.M., and Kozelj, D., 2003, Copper porphyry deposits in Hungary, Serbia, Macedonia, Romania and Bulgaria, in Kelly, J.G., and others, eds., Europe’s major base metal deposits: Irish Association for Economic Geology (IAEG) Conference, Dublin, May 2000, p. 303–321.
Kamenov, B.K.; Yanev, Yotzo; Nedialkov, Rossen; Moritz, Robert; Peytcheva, Irena; von Quadt, Albrecht; Stoykov, Stanislav; and Zartova, Aneta, 2007, Petrology of Upper Cretaceous island-arc ore-magmatic centers from Central Srednogorie, Bulgaria—Magma evolution and paths: Sofia, Bulgaria, Geochemistry, Mineralogy and Petrology, v. 45, p. 39–77. (Also available at http://www.geology.bas.bg/mineralogy/gmp_files/gmp45/39-77kamenov.pdf.)Peytcheva, I., von Quadt, Heinrich, C.A., Nedialkov, R., Neubauer, F., A., and Moritz, R., 2007, Medet and Assarel Cu-porphyry deposits in Central Srednogorie SE Europe—Were they a common magmatic and hydrothermal system?, in Andrew, C.J., and Borg, G., eds., Mineral exploration and research—Digging deeper: Society for Geology Applied to Mineral Deposits (SGA) Biennial Meeting, 9th, Dublin, Ireland, August 20–23, 2007 [Proceedings], v. 2, p. 881–884. (Abstract also available at https://www.e-sga.org/index.php?id=228&tx_commerce_pi1%5BshowUid%5D=1134&tx_commerce_pi1%5BcatUid%5D=39&cHash=0f5bf3d02d.)
Popov, P., Strashimirov, S., Arnaudova, R., Kanasirski, M., and Popov, K., 1996, Geology and genetical model of the porphyry copper deposits from the Assarel-Medet ore field, in Popov, P., ed., Plate tectonic aspects of the Alpine metallogeny in the Carpatho-Balkan region: UNESCO-IGCP Project No. 356 Annual Meeting, Sofia [Proceedings], v. 1, p. 175–196.
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/.Strashimirov, Strashimir; Petrunov, Rumen; and Kanazirski, Milko, 2002, Porphyry-copper mineralization in the central Srednegorie zone, Bulgaria: Mineralium Deposita, v. 37, p. 587–598. (Also available at http://dx.doi.org/10.1007/s00126-002-0275-6.)Tarkian, M., and Stribrny, B., 1999, Platinum-group elements in porphyry copper deposits—A reconnaissance study: Mineralogy and Petrology, v. 65, p. 161–183. (Also available at http://dx.doi.org/10.1007/BF01161959.)von Quadt, A., Peytcheva, I., Fanger, L., and Heinrich, C., 2005, The Elatsite porphyry Cu-Au deposit, Bulgaria—Ore deposit—Lat. 42° 45? N, Long. 24° 02? E: Ore Geology Reviews, v. 27, p. 128–129. (Also available at http://dx.doi.org/10.1016/j.oregeorev.2005.07.022.)Zimmerman, Aaron; Stein, H.J.; Hannah, J.L.; Koželj, Dejan; Bogdanov, Kamen; and Berza, Tudor, 2008, Tectonic configuration of the Apuseni-Banat-Timok-Srednogorie belt, Balkans-South Carpathians constrained by high-precision Re-Os molybdenite ages: Mineralium Deposita, v. 43, p. 1–21. (Also available at http://dx.doi.org/10.1007/s00126-007-0149-z.)