贵州滥木厂铊(汞)矿床构造控矿特征及其模拟实验研究  

THE FEATURES OF TECTONICS-CONTROLLING METALLOGENESIS AND ITS EXPERIMENTAL STUDY ON LANMUCHANG THALLIUM DEPOSIT, GUIZHOU PROVINCE

作　　者：任大银[1] 陈代演[2] 

机构地区：[1]贵州教育学院地理系,贵州贵阳550003 [2]贵州工业大学资源工程系,贵州贵阳550003

出　　处：《地质地球化学》2001年第3期201-205,共5页Geology-Geochemistry

基　　金：国家自然科学基金资助项目 (批准号 :48970 10 6)

摘　　要：滥木厂铊 (汞 )矿床产于NE向滥木厂鼻状背斜核部和近核部 ,并严格受控于与背斜关系密切的NE向断裂组。矿床中矿体的产出则多与层间虚脱空间有关 ,且主要产于晚二叠世龙潭组 (P2 l)和长兴组 -大隆组 (P2 c+d)。对该矿床不同部位取样并进行构造地球化学模拟实验 ,其结果表明 :成矿元素的活化和迁移与塑性变形关系密切 ,脆性变形和塑性变形的层间滑移则为矿体形成提供了有利空间 ;在应力作用下 ,导致有机质的局部富集 ,为富铊矿体的形成提供了条件。The Lanmuchamg thallium deposit occurs in the core and near the core of the NE Lanmuchamg anticline, and is controlled by NE-SW faults,which have relationship with the Lanmuchang anticline. The occurrence of orebodies is related to the space between layers, and the orebodies are hosted in P\-2l and P\-2c+d formations. The tectono-geochemical experiment samples were collected from different parts of this deposit. From tectonic experiment, we can conclude that the rocks mainly experienced plastic deformation in P\-2l and P\-2c+d, and brittle deformation in T\-1y\+1. The remobilization of metallogenic elements has a close relationship with plastic deformation and the metallogenesis with tectonism.

关 键 词：构造控矿 构造地球化学模拟实验 铊矿床 贵州 汞矿床 成矿元素 有机质 

分 类 号：P618.88[天文地球—矿床学] P618.68[天文地球—地质学]