Geology and Hydrogen, Oxygen and Carbon Isotope Geochemistry of Dongmozhazhua Pb-oft-com:office:smarttags" />Zn Ore Deposit, Yushu Area , Qinghai
详细信息
- 责任者：Liu Yingchao (Institute of Geology ; CAGS ; Beijing 100037 ; China) ; Yang Zhusen
- 刊名：Mineral Deposits
- 出版年：2009
- 卷期：28(6)
- 关键词：铅锌矿床 ; lead-zinc deposit ; 青海 ; Qinghai Province
- 页码：p.770-784
- 图表：8 illus., 4 tables, 32 refs.
- 分类号：1001
- issnNo：ISSN0258-7106
- isbnNo：CN11-1965/P
摘要
Located in the eastern and northern margins of the Tibetan orogenic belt, the Dongmozhazhua ore deposit is a Pb-Zn deposit discovered in the Pb-Zn-Cu-Ag ore belt within the "Three Rivers" region and represents a typical type of hydrothermal deposits in the thrust-nappe system. A study of this deposit is helpful to the understanding of ore-forming regularity of the regional Pb-Zn-Cu-Ag ore belt and also to the search for new deposits in this region. Based on detailed field work, systematic thin section observation of ores and analysis of C, H and O isotopic compositions in calcites, the authors give a general description of geological features of this Pb-Zn deposit as well as C, H and O isotopic characteristics of the ore fluid. On such a basis, the authors have classified the Dongmozhazhua Pb-Zn deposit as a MVT-like Pb-Zn deposit which is controlled by the thrust-nappe system in the orogenic belt. In addition, a structural control model for the ore deposit has been established.
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