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Kale Kafi

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Porphyry copper deposit in Esfahan, Iran

Names and other identifiers

GMRAP ID 9097
Alternate names Kal-e-Kafi, Kaleh Kafy, Kalkafi
Tract name Esfahan (142pCu9008)
Site status deposit

Geographic location

Country Iran
State or province Esfahan
Geographic location 54.238, 33.399
Geologic map unit 54.238, 33.399
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 53Ma
Age determination method K-Ar whole rock
Age range 53 Ma
Age reference Ahmadian and others (2009)
Minerals arsenopyrite, bismuth minerals, biotite, bornite, carbonate, chalcocite, chalcopyrite, copper, covellite, enargite, galena, gold, gypsum, hematite, kaolinite, magnetite, molybdenite, pyrite, pyrrhotite, scheelite, sphalerite, stromeyerite
Associated rocks granite porphyry, granodiorite, andesite, dacite, limestone, marble, marl, sandstone, schist, tuff breccia, tuffaceous conglomerate, diorite, granite, granosyenite, monzonite, diorite to monzodiorite, granite, granitoid
Tectonic setting postconvergence
Stratigraphic age early Eocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Au, W
Tonnage (Mt) 245Mt
Cu grade (%) 0.26%
Mo grade (%) 0.026%
Au grade (g/t) 0.1g/t
Contained copper 640,000t
Gold-Moly ratio 4

Reference information

Comments Cu-Mo-(Au-W) porphyry deposit; calc-alkaline; exploration.
Study area name Tethys
References Ahmadian and others (2009); Bazin and Hübner (1969a); Iran Geological Survey (2012a); Iran Geological Survey (2012e); Kirkham and Dunne (2000); Moghaddasi and Mohammadi (2010); Nezampour and Rassa (2005); Samani (1998); Singer and others (2008)
Site reference Zürcher and others (in press)
Ahmadian, Jamshid; Haschke, Michael; McDonald, Iain; Regelous, Marcel; RezaGhorbani, Mohammad; Emami, M.H.; and Murata, Mamoru, 2009, High magmatic flux during Alpine-Himalayan collision—Constraints from the Kal-e-Kafi complex, central Iran: Geological Society of America Bulletin, v. 121, p. 857–868. (Also available at http://dx.doi.org/10.1130/B26279.1.)
Bazin, D., and Hübner H., 1969a, Copper deposits in Iran: Iran Geological Survey Report 13, 232 p.
Iran Geological Survey, 2012a, Distribution of mineral deposits and occurences of copper: Iran Geological and Mineral Exploration Survey database, accessed June 25, 2012, at http://www.gsi.ir/Images/WEBMINE/cu/prj_cu.htm.Iran Geological Survey, 2012e, Minerals information of Iran: Iran Geological and Mineral Exploration Survey Web page accessed June 25, 2012, at http://www.gsi.ir/General/Lang_en/Page_43/WebsiteId_17/Minerals.Distribution.html.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.)Moghaddasi, S.J., and Mohammadi, T.N., 2010, Geology of Kalkafi granitoid intrusive body—A possible porphyry copper-molybdenum deposit [abs.]: International Symposium on Eastern Mediterranean Geology, 7th, Adana, Turkey, October 18–22, 2010 [Proceedings]. (Also available at http://geology.cu.edu.tr/ocs/index.php/ISEMG2010/ISEMG2010/paper/view/26.)Nezampour, M.H., and Rassa, I., 2005, Using remote sensing technology for the determination of mineralization in the Kal-e-Kafi porphyritic deposit, Anarak, Iran, chap. 5-12 of Mao, Jingwen, and Bierlein, F.P., eds., Mineral deposit research—Meeting the global challenge: Society for Geology Applied to Mineral Deposits (SGA) Biennial Meeting, 8th, Beijing, August 18–21, 2005 [Proceedings], p. 565–567. (Also available at http://dx.doi.org/10.1007/3-540-27946-6_145.)
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/.