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Almaly ore field

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Porphyry copper prospect in Qaraghandy oblysy, Kazakhstan

Names and other identifiers

GMRAP ID 632
Alternate names Almaly-Akbiik, Almaly-Olginskoe
Tract name Late Paleozoic Balkhash-Ili magmatic arc (north) (142pCu8003b)
Site status prospect

Geographic location

Country Kazakhstan
State or province Qaraghandy oblysy
Geographic location 73.946127, 48.677572
Geologic map unit 73.946127, 48.677572
Nearby data
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Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range mid-Carboniferous–Late Carboniferous
Age reference Singer and others (2008)
Minerals azurite/malachite, bornite, carbonate, chalcocite, chalcopyrite, chlorite, chrysocolla, covellite, cuprite, epidote, fahlore, fluorite, galena, goethite, gold, hematite, magnetite, molybdenite, muscovite/sericite, powellite, pyrite, pyrrhotite, sphalerite, topaz, wulfenite
Associated rocks aplite, breccia, diorite porphyry, granite porphyry, granodiorite porphyry, granosyenite porphyry, quartz diorite porphyry, andesite, granite, granodiorite, hornfels, sandstone, trachydacite, tuffaceous sandstone, tuff
Tectonic setting continental margin
Stratigraphic age mid-Carboniferous–Late Carboniferous

Commodity and development information

Development status Occurrence
Major commodities Cu, Mo
Gold-Moly ratio -9999

Reference information

Comments Medium size deposit, small mining operations at the start of 20th century. Grades: 0.3–0.9% Cu, 0.001–0.006% Mo, up to 0.7 g/t Au; 0.15% Pb, 0.03% Bi. Exposed. Location: Akbiik; best guess from Google Earth (March 9, 2010) using geology as guide; faults discernible on satellite image; 18 km E of Singer and others' (2008) location. Singer and others (2008) use Almaly as collective name for two nearby deposits, Akbiik and Oginskoe; however, there is no evidence of exploration activity at their given location on Google Earth (March 8, 2010).
Study area name West Central Asia
References Kolesnikov and others (1986); Zhukov and others (1998); Singer and others (2008)
Site reference Berger and others (2014)
Berzina, A.N., Sotnikov, V.I, Economou-Eliopoulos, Maria, and Economou-Eliopoulos, D.G., 2005, Distribution of rhenium in molybdenites from porphyry Cu-Mo deposits of Russia (Siberia) and Mongolia: Ore Geology Reviews, v. 26, p. 91–113. (Also available from http://dx.doi.org/10.1016/j.oregeorev.2004.12.002.)Cooke, D.R., Hollings, Peter, and Walshe, J.L., 2005, Giant porphyry deposits—Characteristics, distribution, and tectonic controls: Economic Geology, v. 100, p. 801–818.
Kolesnikov, V.V., Zhukov, N.M., Solodilova, V.V., and Filimonova, L.E., 1986, Porphyry copper deposits of the Balkhash region: Alma Ata, Nauka Press, 199 p. [In Russian.]
Kolesnikov, V.V., Zhukov, N.M., Solodilova, V.V., and Filimonova, L.E., 1986, Porphyry copper deposits of the Balkhash region: Alma Ata, Nauka Press, 199 p. [In Russian.]
Krivtsov, A.I., Migachev, I.F., and Popov, V.S., 1986, Porphyry copper deposits of the world: Moscow, Nedra, 236 p. [In Russian.]
Metal Mining Agency of Japan, 1997, Non-ferrous metal deposits of C.I.S. countries and Mongolia: Metal Mining Agency of Japan (MMAJ), 20 p.
Pavlova, I.G., 1978, [Porphyry copper deposits]: Leningrad, Nedra, 275 p. [In Russian.]
Seltmann, R., Shatov, V., and Yakubchuk, A., 2009, Mineral deposits database and thematic maps of Central Asia: London, Natural History Museum, Centre for Russian and Central Eurasian Mineral Studies (CERCAMS), 143 p. and ArcGIS 9.2, ArcView 3.2 and MapInfo 6.0 (7.0) GIS packages, scale 1:1,500,000, CD-ROM.
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.)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/.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/.
Zhukov, N.M., and Filimonova, L.E., 1982, [Metasomatites and hypogene mineralization in the Aktogai porphyry copper deposit]: Geology of Ore Deposits, v. 24, no. 2, p. 102–110. [In Russian.]
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.
Zvezdov, V.S., Migachev, I.F., and Girfanov, M.M., 1993, Porphyry copper deposits of the CIS and the models of their formation: Ore Geology Reviews, v. 7, p. 511–549. (Also available at http://dx.doi.org/10.1016/0169-1368(93)90013-O.)