首页|GEOLOGICAL AND GEOCHEMICAL CHARACTERISTICS AND RELATED MINERALIZATION OF CHERT FORMATIONS IN SOUTH TIBET

GEOLOGICAL AND GEOCHEMICAL CHARACTERISTICS AND RELATED MINERALIZATION OF CHERT FORMATIONS IN SOUTH TIBET

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There occur abundant cherts in the Mesozoic and Cenozoic strata in southern Tibet. Some of them possess characteristic hydrothermal structures such as layered, laminated, massive and breccia structures.Ratios of Al/(Al+Fe+Mn), Co/Ni, Fe/Ti and TiO2-Al2O3 demonstrate that their origin is related to hydrothermal sedimentation. The chert formations have close relationship with Sb, Au and poly-metallic mineralization, and the ore-forming fluid show strong correlation with fossil hydrothermal water.

chertsedimentary structurehydrothermal sedimentationmetallic mineralizationSouthern Tibet

HE Junguo、ZHOU Yongzhang、YANG Zhijun、NIE Fengjun、FU Wei、ZHANG Chengbo

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Center of Earth 's Environment & Resources, Guangzhou, GD 510275, China

Dept. of Earth Sciences, Zhongshan University, Guangzhou, GD 510275, China

Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China

国家重点基础研究发展计划(973计划)Ph.D. Training Base Fund of the National Education Ministry of ChinaPh.D. Training Base Fund of the National Education Ministry of China

2002CB412600-Ⅵ NSFC 400730102004055805020000099815

2005

大地构造与成矿学(英文版)
中国科学院广州地球化学研究所

大地构造与成矿学(英文版)

ISSN：1006-513X
年,卷(期)：2005.29(2)
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