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Study on Metallogenic Regularity of Xikengjing Tin Ore Field in Huichang County, Jiangxi Province
详细信息   
摘要
The Xikengjing tin ore field in Huichang county,Jiangxi Province,is tectonical ly located at the Wuyishan metallogenic belt and is mainly constituted of four m iddle-large scale deposits,including Yanbei,Taoxiba,Fenghuangdong and Kuzhudo ng tin deposits.This paper introduces the geological characteristics of the Xik engjing ore field and puts emphases on the internal relations between the distri bution and morphology of magmatic rocks and mineralization enrichment.Summarizi ng the mineralization characteristics and metallogenic regularity of some tin de posits,it is considered that the Cretaceous granites are the ore-forming materi al resources of tin deposits.Being complexly controlled by volcanic structure a nd NE-trend and NW-trend faults,mineralization occurred along the favorable s tructural parts.It is concluded that the types of tin deposits in the Xikengjin g ore field can be divided into porphyry type,greisen type,fracture zone alter ation rock type and cryptoexplosive intrastratal fracture belt type.

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