Borly

Porphyry copper deposit in Qaraghandy oblysy, Kazakhstan

Names and other identifiers

GMRAP ID 419
Tract name Late Paleozoic Balkhash-Ili magmatic arc (north) (142pCu8003b)
Site status deposit

Geographic location

Country Kazakhstan
State or province Qaraghandy oblysy
Geographic location 74.708644, 47.197116
Geologic map unit 74.708644, 47.197116
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 329Ma
Age determination method unknown
Age range 329 Ma
Age reference Singer and others (2008)
Minerals anhydrite/gypsum, bismuth, bornite, chalcocite, chalcopyrite, chlorite, digenite, epidote, fahlore, galena, gold, hematite, magnetite, marcasite, molybdenite, prehnite, pyrite, pyrrhotite, sericite, silver, sphalerite, tennantite, tourmaline
Associated rocks breccia, diabase porphyry dike, granite porphyry, monzonite porphyry dike, andesite, dacite, diorite porphyry, granodiorite, granodiorite porphyry, granosyenite porphyry, quartz diorite, rhyodacite tuff, rhyolite porphyry, rhyolite tuff, trachydacite
Tectonic setting continental margin
Stratigraphic age Early Carboniferous

Commodity and development information

Development status Prospect
Major commodities Cu, Mo
Minor commodities Ag, Pb, Zn
Tonnage (Mt) 94Mt
Cu grade (%) 0.34%
Mo grade (%) 0.011%
Au grade (g/t) 0.3g/t
Ag grade (g/t) 3.4g/t
Contained copper 320,000t
Gold-Moly ratio 27

Reference information

Comments Exposed.
Study area name West Central Asia
References Kolesnikov and others (1986); Krivtsov and others (1986); Kudryavtsev (1996); Zhukov and others (1998); Singer and others (2008); Seltmann and others (2009)
Site reference Berger and others (2014)
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.]
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.
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.