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缅甸翡翠矿床成因及在我国寻找翡翠矿床的可能性 被引量:2

THE GENESIS OF FEICUI DEPOSIT IN BURMA AND THE POSSIBILITY OF DISCOVERING FEICUI DEPOSIT IN CHINA
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摘要 缅甸是世界上优质翡翠矿床产区。缅甸邻接我国,深入研究缅甸翡翠矿床的成因,对指导我国寻找翡翠矿床具有重要的意义。通过资料收集和研究,缅甸翡翠矿床属于区域变质一岩浆热液交代多成因复成矿床。成矿具多阶段、多物源及多成因类型“三多”特点。矿床是在板块持续俯冲,漫长时间压扭应力场作用条件下,通过多期次多阶段的地质构造、区域变质、动力变质、岩浆及热液活动等多种地质作用叠加、改造形成的。通过对缅甸翡翠矿床成因的认识,结合我国区域地质条件分析与对比,我国有希望找到翡翠矿床。雅鲁藏布江板块缝合带,找到优质翡翠的可能性最大。 In the world, the ore field of high quality feicui is occutred in Burma. Because Burma is the neighbouring country of China, to thoroughly study the genesis of feicui deposit in Burma is very important for directing us to prospect feicui deposit in China. According to informa tion and study, the feicui deposit of Burma belongs to the multifactor composite deposit of re gional metamorphism-hydrothermal metasomatism. The metallogenesis is characterized by multistage, multiple material origin and polygene. The re deposit was formed by the super imposition and reformation of multistage tectonic, regional metamorphic, dynamic metamor phic, magatic and hydrothermal activities. According to the characteristics of feicui depodit in Burma, it is very possible to discover high quality feicui deposit in Yaluzangbu River plate sutere of China basing upon th. analysis and correlation of regional geological conditions
出处 《云南地质》 1998年第3期400-406,共7页 Yunnan Geology
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