Sandstone-type uranium-germanium deposits, hosted in a sequence of Miocene continental sedimentary rocks (alternating sandstone, conglomerate, grit, and siltstone with interbedded lignite seams) within the intermontane Mengwang basin. Germanium is adsorbed to organic matter (lignite and asphaltum; 93%) and carbonaceous sandstones (7%); no distinct germanium minerals have been observed (Hu et al., 2009; Dahlkamp, 2009).
Discovered during the 1950s.
References
- Huawen Qi, Ruizhong Hu, and Wenchao Su (2002): REE geochemistry of Lignites in the Lincang germanium deposit, Western Yunnan Province, China. Goldschmidt Conference Abstracts 2002, A619.
- Ruizhong Hu, Huawen Qi, Xianwu Bi, Wenchao Su, and Jiantang Peng (2006): Geology and geochemistry of the Lincang superlarge Germanium deposit hosted in coal seams, Yunnan, China. Geochimica et Cosmochimica Acta Supplement 70(18), 269.
- Ruizhong Hu et al. (2009): Ore Geology Reviews 36, 221-234.
- Dahlkamp, F.J., Ed. (2009): Uranium Deposits of the World. Springer (Berlin, Heidelberg), pp. 31-156.
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