• 责任者：Cui Yubin (School of Earth Science and Resources ; China University of Geosciences ; Beijing 100083 ; China) ; Zhao Yuanyi
• 刊名：Geological Bulletin of China
• 出版年：2011
• 卷期：30(8)
• 关键词：铜矿 ; copper ores ; 铅锌矿床 ; lead-zinc deposit ; 多金属矿 ; polymetallic ores ; 磁黄铁矿 ; pyrrhotite ; 西藏 ; Tibet
• 页码：p.1283-1293
• 图表：illus., 1 plate, 4 tables, 55 refs.
• 分类号：1001
• issnNo：ISSN1671-2552
• isbnNo：CN11-4648/P

The Lawu ore deposit is located in Damxung County of Tibet and within the Shenzha-Pangduo Cu-Ag-Pb-Zn-Au ore-forming belt in the Gangdise metallogenic district. A ¹⁸⁷Re-¹⁸⁷Os isochron of (309±31) Ma was obtained for samples of pyrrhotite from the Lawu district, with the initial value being ¹⁸⁷Os/¹⁸⁸Os, γOs values and Re/Os ratios being 0.51±0.12, 306.90～880.29 and 20.46～80.46, respectively. In combination with the field geological and stable isotopic features, the Lawu ore deposit is considered to have been formed in Late Carboniferous Laigu period, and the ore-forming materials were probably derived from the mantle and severely contaminated by the crust, thus forming a sedex skarn ore deposit.