Porphyry copper prospect in Burgas, Bulgaria

Names and other identifiers

Alternate names Byrdtse, Burdceto, Bardtse
Tract name Transylvania-Balkan Mountains (150pCu6001)
Group name Sukrupasa Group
Included sites Sukrupasa, Byrdtseto
Site status prospect

Geographic location

Country Bulgaria
State or province Burgas
Geographic location 27.534444, 41.974167
Geologic map unit 27.534444, 41.974167
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 80Ma
Age determination method unknown
Age range 87–74 Ma
Age reference Singer and others (2008)
Minerals adularia, anhydrite/gypsum, apatite, Biûminerals, biotite, bornite, chalcocite, chalcopyrite, chlorite, epidote, fluorite, galena, garnet, gold, joseite, magnetite, molybdenite, pyrite, rutile, scheelite, sericite, sphalerite, tetradymite, tetrahedrite/tennantite, tremolite, wittichenite, zeolite
Associated rocks diorite porphyry, granite porphyry, monzodiorite, granodiorite, limestone, mudstone, peridotite, quartz diorite porphyry, siltstone, dolomite, gabbro, granite, hornfels, marble, skarn
Tectonic setting continental margin
Stratigraphic age Late Cretaceous

Commodity and development information

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

Reference information

Comments Prospect localized in the southeastern part of the Malko Tarnovo pluton within porphyritic felsic rocks. Predominantly disseminated vein type Cu-Mo mineralization with vein quartz-Mo. In the Malko-Turnovo mining region known for skarns. Malko Turnovo district.
Study area name Europe
References Bogdanov (1983); Bogdanov (1986); Bonev and others (1989); Nedialkov and others (2009); Singer and others (2008)
Site reference Sutphin and others (2013)
Bogdanov, B.D., 1983, Porphyry copper deposits of Bulgaria: International Geology Review, v. 25, no. 2, p. 178–188. (Also available at
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.
Bonev, I.I., Iordanov, I.A., Ivanova-Panaiotova, V.G., Sotnikov, V.I., and Berzina, A.N., 1989, Relationship of skarn and hydrothermal mineralization in the Byrdtse molybdenum-copper deposit (Malko-Tyrnovo ore field, Bulgaria): Soviet Geology and Geophysics, v. 30, no. 6, p. 84–91.
Nedialkov, Rossen; Kamenov, B.K.; Mavroudchiev, Bojidar; Tarassova, Eugenia; and Popov, Mitko, 2009, The Malko Tarnovo pluton in Southeastern Bulgaria–II. Evolution of the ore-magmatic system: Sofia, Bulgaria, Geochemistry, Mineralogy and Petrology, v. 47, p. 109–133. (Also available at, 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