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Ali-Abad

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Porphyry copper deposit in Yazd, Iran

Names and other identifiers

GMRAP ID 9273
Tract name Kerman (142pCu9016)
Site status deposit

Geographic location

Country Iran
State or province Yazd
Geographic location 53.828, 31.649
Geologic map unit 53.828, 31.649
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 16.7Ma
Age determination method Ar-Ar sericite
Age range 16.7 ±0.2 Ma; 16.3 ±0.3 Ma; 16.5 ±0.5 Ma
Age reference Zarasvandi and others (2007)
Minerals actinolite, azurite/malachite, biotite, bornite, chalcocite, chalcopyrite, chlorite, chrysocolla, copper, covellite, cuprite, goethite, gypsum, hematite, limonite, magnetite, pyrite, sericite, turquoise
Associated rocks granite porphyry, granodiorite porphyry, quartz monzodiorite, andesite, dacite, conglomerate, granite, limestone, rhyodacite tuff, sandstone, shale, quartzite, alkali granite
Tectonic setting continental margin
Stratigraphic age early Miocene

Commodity and development information

Development status Producer
Major commodities Cu, Mo
Minor commodities Ag
Tonnage (Mt) 40Mt
Cu grade (%) 0.73%
Mo grade (%) 0.0059%
Ag grade (g/t) 19g/t
Contained copper 300,000t
Gold-Moly ratio -9999

Reference information

Comments Cu-Mo-(Ag) porphyry deposit; calc-alkaline; in production; open pit; Taft project expansion to be completed in 2015.
Study area name Tethys
References Förster (1978); Hassanzadeh (1993); InfoMine Inc. (2013b); Leaman and Staude (2002); National Iranian Copper Industries Co. (2012); Samani (1998); Singer and others (2008); Zarasvandi and others (2005); Zarasvandi and others (2007)
Site reference Zürcher and others (in press)
Förster, H., 1978, Mesozoic–Cenozoic metallogenesis in Iran: London, Journal of the Geological Society, v. 135, p. 443–455. (Also available at http://dx.doi.org/10.1144/gsjgs.135.4.0443.)
Hassanzadeh, Jamshid, 1993, Metallogenic and tectono-magmatic events in the SE sector of the Cenozoic active continental margin of Iran (Shahr e Babak area, Kerman Province): Los Angeles, University of California, Ph.D. dissertation, 204 p.
InfoMine Inc., 2013b, Mining company and property/mine database: InfoMine, Inc. database, accessed March 11, 2013, at http://www.infomine.com/index/properties/ALIABAD_DAREH_ZERESHK.html.Leaman, Peter, and Staude, John-Mark, 2002, Metallogenic evolution of the western Tethys of Turkey and Iran, in Sugiuchi, N., ed., Mineral potential of Asia—A forum on Asian metallogeny and ore deposits, exploration and development potential, regulatory and investment climate, and management practicalities, Vancouver, Canada, January 21, 2002, Proceedings: Metal Mining Agency of Japan, p. 15–16, accessed September 13, 2012, at http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=B237BEFF620F81E2D5278DBD486EBBF7?doi=10.1.1.196.463&rep=rep1&type=pdf.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.
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/.Zarasvandi, A., Liaghat, S., and Zentilli, M., 2005, Geology of the Darreh-Zerreshk and Ali-Abad porphyry copper deposits, central Iran: International Geology Review, v. 47, p. 620–646. (Also available at http://dx.doi.org/10.2747/0020-6814.47.6.620.)Zarasvandi, A., Liaghat, S., Zentilli, M., and Reynolds, P.H., 2007, 40Ar/39Ar geochronology of alteration and petrogenesis of porphyry copper-related granitoids in the Darreh-Zerreshk and Ali-Abad area, central Iran: Exploration and Mining Geology, v. 16, p. 11–24. (Also available at http://dx.doi.org/10.2113/gsemg.16.1-2.11.)