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Kyzyltu

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Porphyry copper deposit in Aqmola oblysy, Kazakhstan

Names and other identifiers

GMRAP ID 416
Alternate names Qyzyltau
Tract name Kazakh-Tianshan (142pCu8502)
Site status deposit

Geographic location

Country Kazakhstan
State or province Aqmola oblysy
Geographic location 72.3333, 51.95
Geologic map unit 72.3333, 51.95
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 445Ma
Age determination method Rb-Sr(?)
Age range 445 Ma
Age reference Kudryavtsev (1996)
Minerals albite, anhydrite/gypsum, apatite, azurite/malachite, biotite, bismuth, bornite, carbonate, chalcocite, chalcopyrite, covellite, digenite, enargite, galena, gold, hematite, magnetite, marcasite, molybdenite, muscovite/sericite, pyrite, silver, sphalerite, tennantite, zeolite
Associated rocks breccia, granite porphyry, granodiorite porphyry, monzodiorite
Tectonic setting continental margin
Stratigraphic age Late Ordovician

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Au, Ag
Minor commodities Mo
Tonnage (Mt) 66Mt
Cu grade (%) 0.48%
Mo grade (%) 0.015%
Au grade (g/t) 0.2g/t
Ag grade (g/t) 6.56g/t
Contained copper 320,000t
Gold-Moly ratio 10

Reference information

Comments Grade reported by Seltmann and others (2009): 0.48% Cu, 0.05% Mo; 0.2 g/t Au, 6.56 g/t Ag. Cu tonnage is calculated from Cu grade and ore tonnage. 100% of the deposit area is covered by loam. Discovered in 1970 while checking a magnetic anomaly. The oxidated ores consist of malachite, azurite, chalcocite. Rock wall alteration: feldspathization, albitization, biotitization, beresitization. A typical feature of the deposit is the large number of subparallel, vein-like bodies with different thickness several meters to 140 m, while their length averages 600 m along the strike and around 500 m down dip. The orebodies strike northwesterly and dip southerly at 50–60 degrees. They occur mostly as plate-like or lens-shaped stockwork.
Study area name Central Asian Orogenic Belt
References Singer and others (2008); Seltmann and others (2009); Rundkvist (2001); Castle (2007); Kolesnikov and others (1986); Kudryavtsev (1996); Zhukov and others (1998)
Site reference Mihalasky, Ludington, Hammarstrom, and others (2015)
Castle, Malcolm, 2007, Independent geologist's report on the Dostyk project in Kazakhstan and and the Mt Palmer project in Western Australia, in Augustus Minerals Ltd. Prospectus: Augustus Minerals Ltd. Prospectus, p. 16–45, accessed February 22, 2012, at http://globaldocuments.morningstar.com/documentlibrary/document/57759d16dd70e904.msdoc/original.
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.]
Kudryavtsev, Yu.K., 1996, The Cu-Mo deposits of central Kazakhstan, in Shatov, V., Seltmann, R., Kremenetsky, A., Lehmann, B., Propov, V., and Ermolov, P., eds., 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"", p. 119–145.
Rundkvist, D.V., ed., 2001 [2002], Mineragenic map of Russian Federation and adjacent states (with the boundaries of former USSR): Russian Federation Ministry of Natural Resources, State Research and Development Enterprise (Aerogeologica), 49 p., Excel workbook, and 1 map on 18 sheets, scale 1:2,500,000, CD-ROM.
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.
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., 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.