GMRAP ID | 422 |
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Alternate names | Kaskyrmys, Vostok |
Tract name | Late Paleozoic Balkhash-Ili magmatic arc (northwest) (142pCu8003d) |
Site status | deposit |
Country | Kazakhstan |
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State or province | Almaty oblysy |
Geographic location | 74.157652, 45.383407 |
Geologic map unit | 74.157652, 45.383407 |
Nearby data |
Deposit type | Porphyry copper |
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Age determination method | Geologic inference |
Age range | Middle Devonian–Late Devonian(?) |
Age reference | Singer and others (2008) |
Minerals | alunite, biotite, bornite, chalcocite, chalcopyrite, enargite, galena, gold, molybdenite, magnetite, marcasite, pyrite, sphalerite, tennantite |
Associated rocks | breccia, granite porphyry, granodiorite porphyry, granosyenite, andesite, dacite, diabase, diorite, diorite porphyry, granite, gritstone, sandstone, shale, trachyandesite, trachyrhyodacite, tuff |
Tectonic setting | continental margin |
Stratigraphic age | Middle Devonian–Late Devonian(?) |
Development status | Prospect |
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Major commodities | Cu |
Tonnage (Mt) | 375Mt |
Cu grade (%) | 0.41% |
Mo grade (%) | 0.007% |
Au grade (g/t) | 0.059g/t |
Ag grade (g/t) | 0.79g/t |
Contained copper | 1,500,000t |
Gold-Moly ratio | 8 |
Comments | 100% of the deposit area is covered by thick Tertiary clay. Location: road grid; consistent with Zhukov and others (1998); probable location of deposit. |
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Study area name | West Central Asia |
References | Dennis P. Cox (USGS, written commun., 2001); Zhukov and others (1998); Singer and others (2008) |
Site reference | Berger and others (2014) |