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Qulong

Porphyry Cu-Mo deposit, 28 of 47 in China country (in Asia)

Sections of this page: [Geologic] - [Economic] - [Reference]

Geologic Information
Deposit ID579
CountryChina
State or provinceXizhang (Tibet)
Geographic location:29°36'N, 91°35'E
(91.583333, 29.6)
Geographic context: (click for info)
Deposit type21aPorphyry Cu-Mo
Age of deposit15.75±0.42 to |16.23±0.90 (Re-Os)
Age (m.y.)16million years
Area of sulfide zone3.4sq km
Sulfide zone length3.3km
Sulfide zone width1.3km
Mineralogyanhydrite
biotite
bornite
chalcopyrite
chlorite
kaolinite
magnetite
molybdenite
molybdite
pyrite
sericite
sphalerite
Rocks in depositgranite (adamellite) porphyry, diabase porphyry, diorite porphyry
Rocks on maps
and in deposit
monzogranite, limestone, sandstone, tuff
Geologic map unit91.5833333333333, 29.6
Nearby scientific dataFind additional scientific data near this location
Economic Information
Discovery date2000
Tonnage1517million metric tons
Copper grade0.52percent
Molybdenum grade0.032percent
Gold grade(unavailable)
Silver grade3.9g/t
Reference information
CommentsGangdese porphyry copper belt. Exposed.
References
Gao, Y., Hou, Z., Wei, R., and Zhao, R., 2003, Post-collisional adakitic porphyries in Tibet: geochemical and Sr-Nd-Pb isotopic constraints on partial melting of oceanic lithosphere and crust-mantle interaction : Acta Geologica Sinica, v. 77, no. 2, p. 194–203.
Li, G.-M., Liu, B., Qu, W.-J., Lin, F.-C., She, H.-Q., and Feng, C.-Y., 2005, The porphyry-skarn ore-forming system in Gangdese metallogenic belt, southern Xizang: evidence from molybdenite Re-Os age of porphyry-type copper deposits and skarn-type copper polymetallic deposits: Geotectonica et Metallogenia, v. 29, no.4, p. 482-490 (in Chinese with English abstract).
Qu, X., Hou, Z., Zaw, K., Li, Y., 2007, Characteristics and genesis of Gangdese porphyry copper deposits in southern Tibetan plateau: preliminary geochemical and geochronological results: Ore Geology Reviews, v. 31, p. 205–223.
Rui, Z., Hou, Z., Qu, X., Zhang, L., Wang, L., and Liu, Y., 2003, Metallogenic epoch of Gangdese porphyry copper belt and uplift of Qinghai-Tibet plateau: Mineral Deposits, v.22, no. 3, p. 217–225.
Zheng, Y, Duo, J., Cheng, S., Gao, S., Dai, F., 2007, Progress in porphyry copper exploration from the Gangdise belt, Tibet, China: Frontiers of Earth Science in China, v. 1, no. 2, p. 226–232.
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