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Alatasi Au deposit, Qinghe (Qinggil; Chinggil) Co., Aletai (Altay) Prefecture, Yili Hasake (Ili Kazakh) Autonomous Prefecture, Xinjiang (Xinjiang-Uygur) Autonomous Region, China

Latitude: 46°7'N
Longitude: 90°28'E
Medium-sized granitoid-related vein-type gold deposit, located in a NW-trending belt that is 70 km long and contains several tens of mineralized and altered zones of up to 3 km length and up to 400 m width. These zones are veined ore elongated lenses, concordant to the host strata, or having small angles of 5-15°. The ores have veinlet-disseminated, or veinlet-stockwork structures and are of idiomorphic-hypidiomorphic, inclusive and caulking textures. The host strata are composed of tuff, Middle Devonian tuffeous breccias of andesitic-basaltic composition, sandstone, siltstone, mudstone, and locally Upper Devonian andesite, rhyolite and trachyte. Host rocks for gold, or related to gold mineralization also include biotite granite, granodiorite, potassic granite, granite porphyry, quartz porphyry, diorite and diorite porphyrite.

Ref.:
- http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt [Link dead. Jun 2011]

Mineral List

Galena
Gold
'Hydromuscovite'
Magnetite
Pyrite
Quartz


6 entries listed. 5 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in China Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 14th Jun 2011 18:53:01
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