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Andash

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Porphyry copper prospect in Talas, Kyrgyzstan

Names and other identifiers

GMRAP ID 3803
Tract name Ordovician North Tian Shan magmatic arc (142pCu8002)
Site status prospect

Geographic location

Country Kyrgyzstan
State or province Talas
Geographic location 72.961332, 42.505435
Geologic map unit 72.961332, 42.505435
Nearby data
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Geologic information

Deposit type Porphyry copper
Minerals chalcopyrite, fahlore, galena, hematite, magnetite, pyrite, pyrrhotite, sphalerite
Tectonic setting mixed

Commodity and development information

Development status Occurrence
Major commodities Au, Cu
Minor commodities Ag, Mo, Zn
Gold-Moly ratio -9999

Reference information

Comments In development as an open pit (Kentor Gold Resources, 2011). JORC-compliant measured, indicated, and inferred resources of 19.6 Mt at 0.40% Cu, 1.10 g/t Au (cutoff 1.25 g/t AuEq). Late Ordovician granodiorite and diorite porphyries intruding Lower and Middle Late Ordovician granodiorite and diorite porphyries intruding Lower and Middle Ordovician volcanogenic-sedimentary rock. Silicified eruptive breccias are locally altered to mineralized quartzose metasomatites. Alteration types: argillic, propylitic, phyllic, quartz-feldspar, quartz-tourmaline. Copper ore is strictly related to zones of quartz-sericite-chlorite alteration whereas the economic gold mineralization is additionally hosted in zones of argillic alteration. Flat stockwork, size 400 m by 200 m in granodiorites, connected with eruptive breccias. Two adjacent ore bodies in an area of 9.23 km².
Study area name West Central Asia
References United Nations (1998); Seltmann and Jenchuraeva (2001); Newall (2005); Kentor Gold Resources (2011); Seltmann and others (2009); Seltmann and others (2009)
Site reference Berger and others (2014)
Kentor Gold Resources, 2011, Andash gold-copper project: Kentor Gold Resources Web page accessed October 10, 2011, at http://www.kentorgold.com/andash-gold-copper-project. [Web page no longer available.]
Newall, Phil, 2005, Resource audit of the Andash project, northwest Kyrgyzstan: Wardell Armstrong International Ltd. report prepared for Aurum Mining, accessed October 15, 2011, at http://www.aurummining.net/documents/da6m67fq_1160663453.doc. [Web page no longer available.]
Seltmann, R., and Jenchuraeva, R., eds., 2001, Paleozoic geodynamics and gold deposits in the Kyrgyz Tien Shan: Excursion Guidebook of IGCP-373 International Field Conference in Bishkek and the Kyrgyz Tien Shan, Kyrgyz Republic, August 16–25, 2001, IAGOD Guidebook series 9, Natural History Museum, London, 183 p.
Seltmann, R., Shatov, V., and Yakubchuk, A., 2009, Mineral deposits database and thematic maps of Central Asia: London, Natural History Museum, Centre for Russian and Central Eurasian Mineral Studies (CERCAMS), 143 p. and ArcGIS 9.2, ArcView 3.2 and MapInfo 6.0 (7.0) GIS packages, scale 1:1,500,000, CD-ROM.
United Nations, 1998, Geology and mineral resources of Kyrgyzstan: New York, United Nations Economic and Social Commission for Asia and the Pacific (ESCAP), Atlas of mineral resources of the ESCAP region, v. 13, 153 p.