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Laerma (La'erma) Au-Se deposit, Western Qinling gold belt, Luqu Co., Gannan Autonomous Prefecture, Gansu (Ganzu) Province, China

Carlin-like gold deposit, hosted in Cambrian-Ordovician carbonaceous and siliceous slates, and related to Mesozoic diorite dykes.



References:
- Zhiping Li, and S.G. Peters (1998): Comparative Geology and Geochemistry of Sedimentary-Rock-Hosted (Carlin-Type) Gold Deposits in the People's Republic of China and in Nevada, USA. USGS Open-File Report 98-466.
- Wen Hanjie and Qiu Yuzhou (1999): Organic and inorganic occurrence of selenium in Laerma Se-Au deposit. Science in China, Series D (Earth Sciences), 42(6), 662-669.
- Jiajun Liu, Minghua Zheng, Jianming Liu, and Wenchao Su (2000): Geochemistry of the La'erma and Qiongmo Au-Se deposits in the western Qinling Mountains, China. Ore Geology Reviews 17, 91-111.
- Liu Jiajun, Liu Jianming, Su Wenchao and Feng Caixia (2001): Ore forming material sources of La'erma gold deposit, western Qinling, China. Presentation at the 11th Annual V.M. Goldschmidt Conference, Abstract no. 3471.
- Wen Hanjie and Qiu Yuzhou (2001): Occurrence of Selenium in Laerma Se-Au deposit, China. Presentation at the 11th Annual V.M. Goldschmidt Conference, Abstract no. 3506.
- Peters, S.G. (2002): Geology, Geochemistry and Geophysics of Sedimentary-Hosted Au Deposits in P.R. China. USGS Open-File Report 02-131.
- Jingwen Mao, Yumin Qiu, Goldfarb, R.J., Zhaochong Zhang, Garwin, S., and Ren Fengshou (2002): Geology, distribution, and classification of gold deposits in the western Qinling belt, central China. Mineralium Deposita 37, 352-377.
- Jiajun Liu, Zhiming Li, Jianming Liu, Jianping Wang, Caixia Feng, and Wenquan Lu (2005): Mineralogy of the Stibnite-Antimonselite Series in the Nature. Journal of Jilin University (Earth Science Edition) [Jilin Daxue Xuebao (Diqiu Kexue Ban)] 35(5), 545-553.
- Hanjie Wen, Carignan, J., Yuzhuo Qiu, and Shirong Liu (2006): Selenium Speciation in Kerogen from Two Chinese Selenium Deposits: Environmental Implications. Environmental Science and Technology 40(4), 1126-1132.





Map Reference: 34°0'2"N , 102°19'12"E

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Mineral List:
Allophane
Antimonselite
Arsenopyrite
Baryte
Berzelianite
'Bitumen'
Bornite
Calcite
'Chalcedony'
Chalcocite
Chalcopyrite
'Chlorite Group'
Cinnabar
Clausthalite
Clinohedrite
Covellite
var: Selenian Covellite
Dickite
Dolomite
Famatinite
Ferroselite
Galena
Gersdorffite
Gold
var: Electrum
Gypsum
'Hydromuscovite'
Illite
Kaolinite
Kullerudite
Lautite
Marcasite
Molybdenite
Montmorillonite
Orpiment
Polydymite
Pyrite
var: Arsenian Pyrite
Pyrrhotite
Quartz
var: Chert
Realgar
'Sericite'
Siderite
Silver
var: Küstelite

Sphalerite
Stibnite
var: Selenian Stibnite
Tennantite
Tetrahedrite
Tiemannite
Unnamed (Ni Arsenide Sulphide)
Uraninite
Vaesite
Vermiculite
'Zeolite Group'


56 entries listed. 43 valid minerals.

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