Porphyry copper (Cu-Au) deposit in Qostanay oblysy, Kazakhstan

Names and other identifiers

Tract name Carboniferous Valerianov magmatic arc (142pCu8005)
Site status deposit

Geographic location

Country Kazakhstan
State or province Qostanay oblysy
Geographic location 62.15242, 52.94492
Geologic map unit 62.15242, 52.94492
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age determination method Geologic inference
Age range mid-Carboniferous–Late Carboniferous
Age reference Singer and others (2008)
Minerals albite, arsenopyrite, Bi-sulfide, biotite, carbonate, chalcopyrite, chlorite, epidote, galena, garnet, gersdorffite, goethite, gold, hematite, magnetite, marcasite, muscovite, nickeline, prehnite, pyrite, pyroxene, pyrrhotite, sphalerite, telluride, wollastonite
Associated rocks breccia, diorite porphyry, hornfels, skarn, conglomerate, sandstone, siltstone, andesite, andesitic basalt, dacite, diorite, gabbro, granite, limestone, serpentinite
Tectonic setting continental margin
Stratigraphic age mid-Carboniferous–Late Carboniferous

Commodity and development information

Development status Producer
Major commodities Cu, Au
Tonnage (Mt) 118Mt
Cu grade (%) 0.66%
Au grade (g/t) 1.01g/t
Ag grade (g/t) 0.5g/t
Contained copper 780,000t
Gold-Moly ratio -9999

Reference information

Comments 100% of the deposit area is covered by Mesozoic–Cenozoic sediments equal to 20 m thick.
Study area name West Central Asia
References European Minerals Corp. (2005); Kazakhstan Minerals Corp. (2000); Polymetal International PLC (2012); Zhukov and others (1998); Singer and others (2008)
Site reference Berger and others (2014)
European Minerals Corp., 2005, Varvarinskoye gold-copper project, northern Kazakhstan: European Minerals Corp. Technical Report, 150 p.
Kazakhstan Minerals Corp., 2000, Our properties: Kazakhstan Minerals Corp. Web page accessed June 15, 2009, at [Web page no longer available.]
Polymetal International PLC, 2012, Varvara project: Polymetal International PLC Web page accessed September 9, 2012, at, 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
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.