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Mazraeh

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Porphyry copper prospect in Azarbayjan-e-Sharqi, Iran

Names and other identifiers

GMRAP ID 9226
Alternate names Saleh Darreh
Tract name Azerbaijan—Caucasus-Iran (142pCu9014c)
Site status prospect

Geographic location

Country Iran
State or province Azarbayjan-e-Sharqi
Geographic location 47.0627, 38.645
Geologic map unit 47.0627, 38.645
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 30.8Ma
Age determination method U-Pb zircon
Age range 30.8 ±2.1 Ma
Age reference Aghazadeh and others (2011)
Minerals amphibole, bornite, chalcocite, chalcopyrite, chlorite, covellite, epidote, garnet, hematite, magnetite, pyrite, pyroxene
Associated rocks quartz monzonite, monzodiorite, tuff, lava, carbonate, granite
Tectonic setting postconvergence
Stratigraphic age early Oligocene

Commodity and development information

Development status Past Producer
Major commodities Cu, Mo
Minor commodities Fe, Au
Gold-Moly ratio -9999

Reference information

Comments Cu-Mo porphyry-related Cu-(Fe-Au) skarn prospect; past producer; resource (not thoroughly characterized): 0.4 Mt at 1.2% Cu (5,000 t of contained Cu); in development; projected to start in 2015 (National Iranian Copper Industries Co., 2012).
Study area name Tethys
References Aghazadeh and others (2011); Bazin and Hübner (1969a); Jamali and others (2010); Mollai and others (2009); National Iranian Copper Industries Co. (2012); Samani (1998); Somarin (2004); Somarin (2006); Somarin (2010); Somarin and Moayyed (2002); Somarin and others (2005); U.S. Geological Survey (2012)
Site reference Zürcher and others (in press)
Aghazadeh, Mehraj; Castro, Antonio; Badrzadeh, Zahra; and Vogt, Katharina, 2011, Post-collisional polycyclic plutonism from the Zagros hinterland—The Shaivar Dagh plutonic complex, Alborz belt, Iran: Geological Magazine, v. 148, p. 980–1008. (Also available at http://dx.doi.org/10.1017/S0016756811000380.)
Bazin, D., and Hübner H., 1969a, Copper deposits in Iran: Iran Geological Survey Report 13, 232 p.
Jamali, Hemayat; Dilek, Yildirim; Daliran, Farahnaz; Yaghubpur, Abdolmajid; and Mehrabi, Behzad, 2010, Metallogeny and tectonic evolution of the Cenozoic Ahar-Arasbaran volcanic belt, northern Iran: International Geology Review, v. 52, p. 608–630. (Also available at http://dx.doi.org/10.1080/00206810903416323.)Mollai, Habib; Sharma, Rajesh; and Pe-Piper, Georgia, 2009, Copper mineralization around the Ahar batholith, north of Ahar (NW Iran)—Evidence for fluid evolution and the origin of the skarn ore deposit: Ore Geology Reviews, v. 35, p. 401–414. (Also available at http://dx.doi.org/10.1016/j.oregeorev.2009.02.005.)National Iranian Copper Industries Co., 2012, National Iranian Copper Industries Company: International Copper Study Group (ICSG) Meeting, 20th, Lisbon, April 25–27, 2012, 16 p., accessed October 11, 2012, at http://www.icsg.org/index.php?option=com_docman&task=doc_download&gid=344&Itemid=62. (Now available at http://www.icsg.org/index.php/meetings-and-presentations-2/finish/157-2012-04-icsg-39th-regular-meeting-and-joint-study-groups-seminar-lisbon-portugal/848-iran-copper-industry-nicico.)
Samani, Bahram, 1998, Distribution, setting and metallogenesis of copper deposits in Iran, in Porter, T.M., ed., Porphyry and hydrothermal copper and gold deposits—A global perspective, Australian Mineral Foundation Conference, Perth, November 30–December 1, 1998, Proceedings: Adelaide, PGC Publishing, p. 151–174.
Somarin, A.K., 2004, Garnet composition as an indicator of Cu mineralization—Evidence from skarn deposits of NW Iran: Journal of Geochemical Exploration, v. 81, p. 47–57. (Also available at http://dx.doi.org/10.1016/S0375-6742(03)00212-7.)Somarin, A.K., 2006, Geology and geochemistry of the Mendejin plutonic rocks, Mianeh, Iran: Journal of Asian Earth Sciences, v. 27, p. 819–834. (Also available at http://dx.doi.org/10.1016/j.jseaes.2005.08.004.)Somarin, A.K., 2010, Garnetization as a ground preparation process for copper mineralization—Evidence from the Mazraeh skarn deposit, Iran: International Journal of Earth Sciences, v. 99, p. 343–356. (Also available at http://dx.doi.org/10.1007/s00531-008-0394-0.)Somarin, A.K., and Moayyed, M., 2002, Granite- and gabbrodiorite-associated skarn deposits of NW Iran: Ore Geology Reviews, v. 20, p. 127–138. (Also available at http://dx.doi.org/10.1016/S0169-1368(02)00068-9.)
Somarin, A.K., Liaghat, S., Hosseini, A., and Zarasvandi, M., 2005, World skarn deposits—Skarns of Iran, in Meinert, L.D., Dipple, G.M., and Nicolescu, Stefan, World skarn deposits, in Hedenquist, J.W., Thompson, J.F.H., Goldfarb, R.J., and Richards,J.P., eds., Economic Geology One Hundredth Anniversary Volume, 1905–2005: Society of Economic Geologists, CD-ROM, 2 p. and data (table 10.1) in appendix.
U.S. Geological Survey, 2012, Mineral resource data system (MRDS): U.S. Geological Survey database, accessed October 19, 2012, at http://mrdata.usgs.gov/mrds/.