Bakirçay

Porphyry copper deposit in Amasya, Turkey

Names and other identifiers

GMRAP ID 9017
Tract name Pontide (Asia)—NW Turkey sub-tract (142pCu9004a)
Site status deposit

Geographic location

Country Turkey
State or province Amasya
Geographic location 35.3959, 40.9609
Geologic map unit 35.3959, 40.9609
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 38.6Ma
Age determination method K-Ar biotite
Age range 38.6 ±1.33 to 37.4 ±1.29 Ma
Age reference Yigit (2009)
Minerals biotite, bornite, calcite, chalcopyrite, chlorite, epidote, galena, garnet, molybdenite, pyrite, scheelite, sericite, sphalerite
Associated rocks andesite porphyry, diorite porphyry dike, granodiorite, granodiorite porphyry, skarn, andesite flow, dacite flow, hornfels, marble, quartzite
Tectonic setting mixed
Stratigraphic age late Eocene

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Mo
Tonnage (Mt) 200Mt
Cu grade (%) 0.2%
Contained copper 400,000t
Gold-Moly ratio -9999

Reference information

Comments Cu-Au-Mo porphyry-skarn deposit; calc-alkaline; post-collisional(?); exploration.
Study area name Tethys
References Eng?n and others (2000); Kirkham and Dunne (2000); Singer and others (2008); Soylu (1999); Taylor (1978); Taylor (1981); Taylor and Fryer (1980); Yigit (2009)
Site reference Zürcher and others (in press)
Eng?n, Tando?an, Özkan, Y.Z., ?ener, Fahrettin, and Toprak, Birsen, 2000, Metallogenic map of Turkey: Ankara, Turkey General Directorate of Mineral Research and Exploration, 3 sheets, scale 1:1,000,000. (Also available at http://www.mta.gov.tr/v2.0/eng/maps.php?id=metallogeny.)Kirkham, R.V., and Dunne, K.P.E., comps., 2000, World distribution of porphyry, porphyry-associated skarn, and bulk-tonnage epithermal deposits and occurrences: Canada Geological Survey Open File 3792a, 26 p. and 1 diskette. (Also available at http://dx.doi.org/10.4095/211229.)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/.Soylu, Mesut, 1999, Modeling of porphyry copper mineralization of the Eastern Pontides: Ankara, Turkey, Middle East Technical University, Ph.D. dissertation, 127 p. (Also available at http://www.doganaydal.com/nesneler/kutuphanekitaplar/PORFIRI_CU_MODELLING_PONTID_M.SOYLU.PDF.)Taylor, R.P., 1978, The geology of the Bakirçay and Uluta? porphyry copper prospects, northern Turkey [abs.], in Evans, A.M., ed., Conference report—Mineralization associated with acid magmatism and other aspects of ore geology: London, Journal of the Geological Society, v. 135, p. 257. (Also available at http://dx.doi.org/10.1144/gsjgs.135.2.0253.)Taylor, R.P., 1981, Isotope geology of the Bakircay porphyry copper prospect, northern Turkey: Mineralium Deposita, v. 16, p. 375–390. (Also available at http://dx.doi.org/10.1007/BF01798964.)Taylor, R.P., and Fryer, B.J., 1980, Multiple-stage hydrothermal alteration in porphyry copper systems in northern Turkey—The temporal interplay of potassic, propylitic, and phyllic fluids: Canadian Journal of Earth Sciences, v. 17, p. 901–926. (Also available at http://www.nrcresearchpress.com/doi/pdf/10.1139/e80-088.)Yigit, Ozcan, 2009, Mineral deposits of Turkey in relation to Tethyan metallogeny—Implications for future mineral exploration: Economic Geology, v. 104, p. 19–51. (Also available at http://dx.doi.org/10.2113/gsecongeo.104.1.19.)