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Nurkazgan

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Porphyry copper deposit in Qaraghandy oblysy, Kazakhstan

Names and other identifiers

GMRAP ID 429
Alternate names Samarskoe, Samarsk
Tract name Kazakh-Tianshan (142pCu8502)
Site status deposit

Geographic location

Country Kazakhstan
State or province Qaraghandy oblysy
Geographic location 76.7272, 50.0269
Geologic map unit 76.7272, 50.0269
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 410Ma
Age determination method unknown
Age range Silurian–Devonian
Age reference Seltmann and Porter (2005)
Minerals bismuth, bornite, carbonate, chalcocite, chalcopyrite, chlorite, covellite, epidote, galena, gold, molybdenite, pyrite, sericite, silver, sphalerite, tetrahedrite
Associated rocks breccia, granodiorite porphyry, monzonite porphyry
Tectonic setting continental margin
Stratigraphic age Silurian–Devonian

Commodity and development information

Development status Producer
Major commodities Cu, Mo, Au, Ag
Minor commodities Au
Tonnage (Mt) 213Mt
Cu grade (%) 0.81%
Mo grade (%) 0.01%
Au grade (g/t) 0.26g/t
Ag grade (g/t) 2.5g/t
Contained copper 1,700,000t
Gold-Moly ratio 30

Reference information

Comments Hosted in the Devonian Middle Paleozoic segment of the Kazakh-Mongol arc (Yakubchuk, 2004; Seltmann and Porter, 2005). Open pit operation. Underground in development. Early stage porphyry-style mineralization is predominantly composed of disseminations and stockworks (Seltmann and Porter, 2005). Late-stage mineralization localized in the core of the earlier monzonite intrusive and porphyry mineralization. Mineable high-grade ore has been delineated to a depths of 1400 m (Seltmann and Porter, 2005). Early stage porphyry-style Cu mineralization associated with monzonite, followed by late stage overprinting of high grade, high sulfidation Cu-Au mineralization associated with diorite porphyry and numerous breccia pipes (Seltmann and Porter, 2005).
Study area name Central Asian Orogenic Belt
References Singer and others (2008); White and others (2001); Plyushchev (1993); Seltmann and Porter (2005); Shatov and others (1996); Zhukov and others (1998); Ussoltsev (2011); Yakubchuk (2004)
Site reference Mihalasky, Ludington, Hammarstrom, and others (2015)
Plyushchev, E.V., 1993, Map of hydrothermal-metasomatic formations of Kazakhstan fold area: St. Petersburg, A.P. Karpinsky All-Russian Institute of Geological Research (VSEGEI), 4 sheets, scale 1:1,500,000.
Seltmann, R., and Porter, T.M., 2005, The porphyry Cu-Au/Mo deposits of central Eurasia—1. Tectonic, geologic and metallogenic setting, and significant deposits, in Porter, T.M., ed., Super porphyry copper and gold deposits—A global perspective: Adelaide, PGC Publishing, v. 2, p. 467–512. (Abstract also available at http://www.portergeo.com.au/publishing/superporphyry/superpstart.html.)
Shatov, V., Seltman, R., Kremenetsky, A., Lehman, B., Popov, V., and Ermolov, P., eds., 1996, Granite-related ore deposits of central Kazakhstan and adjacent areas: St. Petersburg, Glagol Publishing House, International Association on the Genesis of Ore Deposits (IAGOD), Working Group on Tin and Tungsten Deposits (WGTT), INTAS-93-1783 Project ""Ore-bearing granites of Eurasia—Anatomy and magmatic-hydrothermal mechanisms of ore deposition"", 400 p.
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/.
Ussoltsev, Igor, 2011, Review on copper porphyry deposits in Kazakhstan—Past investigations, actual situation, future perspectives [abs.], in Mineral Deposits Studies Group (MDSG) Annual Winter Meeting, 34th, London, January 5–7, 2011, CERCAMS-14 Workshop ""Ore Giants of Asia"", Proceedings: Applied Earth Science, v. 119, no. 2, p. 103–104.
White, N.C., Hedenquist, J.W., and Kirkham, R., 2001, Asia—The waking giant: Mining Journal supplement, v. 336, no. 8630, 12 p.
Yakubchuk, Alexander, 2004, Architecture and mineral deposit settings of the Altaid orogenic collage—A revised model: Journal of Asian Earth Sciences, v. 23, p. 761–779. (Also available at http://dx.doi.org/10.1016/j.jseaes.2004.01.006.)
Zhukov, N.M., Kolesnikov, V.V., Miroshnichenko, L.M., Egembaev, K.M., Pavlova, Z.N., and Bakarasov, E.V., comps., 1998, Copper deposits of Kazakhstan, in Abdulin, A.A., and others, eds., Mineral resources of Kazakhstan: Almaty, Kazakhstan Ministry of Ecology and Natural Resources, 136 p.