Characteristics and conditions of formation of an excellent fossil wood cell texture from the vein copper deposits in Lanping-Simao basin, SW China

The vein copper deposits in Lanping-Simao basin of western Yunnan occur in a salt-bearing red clastic rock formation composed of sandstone, siltstone and shale. An excellent fossil wood cell texture is considerably developed in the ores. The metallic minerals making up the fossil wood cell texture i...

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Bibliographic Details
Published in:Ore geology reviews 2002-05, Vol.20 (1), p.55-63
Main Authors: Liu, Jiajun, Liu, Yuping, Li, Chaoyang, Zhang, Qian, Li, Zhiming, He, Mingqin, Liu, Shirong, Shao, Shuxun
Format: Article
Language:English
Subjects:
Biochemical process
China
Earth sciences
Earth, ocean, space
Exact sciences and technology
Fossil wood cell texture
Metal geology
Metallic and non-metallic deposits
Paleobotany
Paleontology
Vein copper deposit
Western Yunnan
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Summary:The vein copper deposits in Lanping-Simao basin of western Yunnan occur in a salt-bearing red clastic rock formation composed of sandstone, siltstone and shale. An excellent fossil wood cell texture is considerably developed in the ores. The metallic minerals making up the fossil wood cell texture include pyrite, chalcopyrite, bornite and chalcocite. Studies on the samples and examination of their micrographs and electron micrographs have confirmed that they belong to xenoxylon, reflecting that the ore-hosting rock series is the product of sedimentation in the terrestrial environment.
ISSN:0169-1368
1872-7360
DOI:10.1016/S0169-1368(02)00038-0