Molybdnite Re-Os Isotope Age of Bilihe Large-Size Porphyry Gold Deposit in Sunid Right Banner of Inner Mongolia and Its Geological Significance
详细信息
- 责任者：Qing Min(Gold Geological Institute ; Chinese Army Police Force ; Langfang 065000 China) ; Ge Liangsheng
- 刊名：Mineral Deposits
- 出版年：2011
- 卷期：30(1)
- 关键词：金矿 ; gold ores ; 斑岩矿床 ; porphyry deposit ; 铼—锇计时 ; Re-Os dating ; 内蒙古 ; Inner Mongolia
- 页码：p.11-20
- 图表：5 illus., 2 tables, 28 refs.
- 分类号：1001
- issnNo：ISSN0258-7106
- isbnNo：CN11-1965/P
摘要
Situated in Sunid Right Banner of Inner Mongolia, the Bilihe gold deposit lies within the Caledonian hyperplasia orogenic belt sandwiched between North China north margin (Kangbao-Chifeng) fault and Wenduermiao-Xilamulun fault in the middle-eastern section of the Central Asian orogenic belt. Four types of mineralization have been identified, namely quartz vein type, tectonic fracture zone altered rock type, explosion breccia type and porphyry altered rock type. The most important mineralization type is the porphyry alteration type, and the proven resources of this type of mineralization account for more than 90% of the total resources of the mining area. It is the first time that a large-sized porphyry gold deposit was found in the northern margin of North China Plate, i.e., the Bilihe large-size porphyry gold deposit in Sunid Right Banner of Inner Mongolia.
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