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Lanmuchang Tl-(Hg) deposit, Xingren Co., Qianxi'nan Autonomous Prefecture, Guizhou Province, China

The only larger deposit where thallium is the main product. The orebody extends over an area of about 1.5 square km, with lorandite as the major ore mineral.

Refs.:
- Zhang Zhong, Zhang Baogui, Long Jiangping, Zhang Xingmao, and Chen Guoli (1998): Thallium pollution associated with mining of thallium deposits. Science in China, Series D (Earth Sciences), 41(1), 45-81.
- Zhang Zhong, Chen Guoli, Zhang Baogui, Chen Yecai, and Zhang Xingmao (2000): The Lanmuchang Tl deposit and its environmental geochemistry. Science in China, Series D (Earth Sciences), 43(1), 50-62.
- Baogui Zhang and Zhong Zhang (2000): Biogenic Lorandite and Its Geological Significance in Xingren County, Guizhou Province. Geological Journal of China Universities 6(2), 349-355 (in Chinese with English abstract).
- Tangfu Xiao (2001): Environmental impact of thallium related to the mercury-thallium-gold mineralization in southwest Guizhou Province, China. PhD Thesis, University of Chicoutimi (Québec), Canda. - [available at: http://bibvir.uqac.ca/theses/12774896/12774896.pdf]
- Tangfu Xiao, Guha, J., and Boyle, D. (2004): High thallium content in rocks associated with Au–As–Hg–Tl and coal mineralization and its adverse environmental potential in SW Guizhou, China. Geochemistry: Exploration, Environment, Analysis, 4(3), 243-252.
- Zhang Zhong, Zhang Baogui, Hu Jing, Yao Linbo, and Tian Yifu (2007): A preliminary discussion on the bio-metallogenesis of Tl deposits in the low-temperature minerogenetic province of southwestern China. Science in China, Series D (Earth Sciences), 50(3), 359-370.





Map Reference: 25°31'28"N , 105°30'30"E

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Mineral List:
Alum-(K)
Arsenolite
Arsenopyrite
Baryte
Calcite
'Chlorite Group'
Christite
Cinnabar
'Coal
var: Anthracite'

Dickite
Dolomite
Goethite
Gypsum
Halotrichite
Imhofite
Jarosite
Kaolinite
Lanmuchangite (TL)
Limonite
Lorándite
Marcasite
Melanterite
Muscovite
Orpiment
Pickeringite
Pyrite
Quartz
Raguinite
Realgar
Scheelite
Scorodite
'Sericite'
Sulphur
Talc


34 entries listed. 30 valid minerals. 1 type locality (valid mineral).

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