Geological Characteristics and Ore-Controlling Factors of the Zuomonaxie Iron Deposit in Daofu County, Sichuan Province
详细信息
- 责任者：Jin Canhai (Chengdu Institute of Geology and Mineral Resources ; Chengdu 610082 ; China) ; Yu Yuanshan
- 刊名：Geology and Prospecting
- 出版年：2010
- 卷期：46(3)
- 关键词：铁矿 ; iron ores ; 四川 ; Sichuan Province
- 页码：p.385-391
- 图表：3 illus., 1 table, 19 refs.
- 分类号：1001
- issnNo：ISSN0495-5331
- isbnNo：CN11-2043/P
摘要
The Zuomonaxie iron deposit lies at the contact between granodiorite and crystalline limestone in the Luhuo-Daofu structure belt. Three skarn bands, corresponding to three iron mineralization bodies, are exposed in the mining district. The ore bodies are all found in the contact of garnet, diopside skarns between granodiorite and crystalline limestone. The variation of the form and occurrence of ore bodies are in accordance with the hosting skarns. This study suggests that the nature of carbonate strata, the intrusion of granodiorite, the multiple activities of the NW trending Xianshuihe fault, and the NE fault caused by the effect of late-stage strike-slip shear-structure, are the factors that control jointly the formation of skarn-type iron deposit. Analysis of ore-forming conditions and the magnetic anomalies indicates that there are still potential in finding skarn-type iron deposits in deep subsurface and periphery of this mine area.
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