| GMRAP ID | 422 |
|---|---|
| Alternate names | Kaskyrmys, Vostok |
| Tract name | Late Paleozoic Balkhash-Ili magmatic arc (northwest) (142pCu8003d) |
| Site status | deposit |
| Country | Kazakhstan |
|---|---|
| State or province | Almaty oblysy |
| Geographic location | 74.157652, 45.383407 |
| Geologic map unit | 74.157652, 45.383407 |
| Nearby data |
| Deposit type | Porphyry copper |
|---|---|
| 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 |
|---|---|
| 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. |
|---|---|
| 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) |