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西南特提斯川滇黔成矿区富锗铅锌矿床成矿理论研究新进展
投稿时间:2020-06-04  修订日期:2020-06-17  点此下载全文
引用本文:
DOI:10.19762/j.cnki.dizhixuebao.2020269
摘要点击次数: 149
全文下载次数: 163
作者单位地址
韩润生 昆明理工大学 云南省昆明市一二一大街文昌路68号地矿楼
吴鹏 昆明理工大学 
张艳 昆明理工大学 
黄智龙 中国科学院地球化学研究所 
王峰 云南冶金资源股份有限公司 
金中国 贵州省有色金属和核工业地质勘查局 
周高明 云南驰宏锌锗股份有限公司 
石增龙 云南驰宏锌锗股份有限公司 
张长青 中国地质科学院矿产资源研究所 
基金项目:国家自然科学基金(41572060;U1133602;41802089)、 “云岭学者”人才计划项目(2014)、中国地质调查局典型矿集区潜力评价示范项目(121201115036001)及云南省矿产资源预测评价工程实验室(2010)和云南省地质过程与矿产资源创新团队(2012)
中文摘要:川滇黔铅锌多金属成矿区位于特提斯成矿域与环太平洋成矿域交界地带的扬子陆块西南缘,并广泛分布了全球罕见的碳酸盐岩容矿的后成热液型富锗铅锌多金属矿床,其铅锌品位特高、储量大、富稀散元素锗和贵金属银,经济价值巨大,备受关注。研究团队针对制约该区深部找矿突破的成矿构造动力学背景及其响应机制、矿源—输运—聚集成矿过程、铅锌锗元素超常富集—巨量聚集成矿机制、矿床类型归属与铅锌多金属成矿系统等重大理论问题,历经20余年,通过区域构造分析、矿田构造解析、典型矿床精细解剖、实验地球化学等系统研究,在成矿理论方面取得重要进展:1)提出了富锗铅锌矿形成于印支期碰撞造山过程的陆内斜向走滑构造系统,厘定了断褶构造组合样式及成矿构造体系,建立了构造分级成矿-控矿、矿体空间定位模式;2)系统概括了矿化空间组合结构及矿床成矿规律,查明了“矿源—输运—聚集”成矿过程,揭示了铅锌共生分异机制及铅锌锗超常富集成矿机制;3)提出了具有一定普适性的会泽型铅锌矿床新类型,建立了矿床成矿系统及流体“贯入”—交代成矿模型。在此基础上,提出了陆内走滑构造系统控矿—流体“贯入”-交代成矿论。基于该理论研发出并应用了适用于该类矿床的深部勘查技术系列,取得了近些年来川滇黔地区一系列找矿突破和新进展。这些研究进展不仅为川滇黔成矿区矿床勘查技术研发及深部找矿突破提供了理论支撑,而且将在扬子陆块西南缘乃至特提斯成矿域的类似矿床研究和应用中发挥重要的指导作用。
中文关键词:成矿理论研究进展  陆内走滑构造系统  富锗铅锌矿床  川滇黔成矿区  特提斯成矿域
 
ReferencesNew research progresses of metallogenic theory for Zn-Pb-(Ag-Ge) deposits in the Sichuan-Yunnan-Guizhou Triangle (SYGT) area, Southwestern Tethys
Author NameAffiliationAddress
HAN Runsheng Southwest of Geological Survey,Geological Survey Center for Non-ferrous Mineral Resources,Kunming University of Science and Technology,Kunming 云南省昆明市一二一大街文昌路68号地矿楼
WU Peng Southwest of Geological Survey,Geological Survey Center for Non-ferrous Mineral Resources,Kunming University of Science and Technology,Kunming 
ZHANG Yan Southwest of Geological Survey,Geological Survey Center for Non-ferrous Mineral Resources,Kunming University of Science and Technology,Kunming 
HUANG Zhilong Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 
WANG Feng Non- ferrous Metals and Unclear Industry Geology Exploration Bureau of Guizhou,Guiyang 
JIN Zhongguo Yunnan Metallurgy Resources Company Limited,Kunming 
ZHOU Gaoming Yunnan Chihong Zn Ge Co Ltd,Yunnan Qujing 
SHI Zenglong Yunnan Chihong Zn Ge Co Ltd,Yunnan Qujing 
and ZHANG Changqing Institute of Mineral Resources,Chinese Academy of Geological Sciences 
Abstract:Germanium-rich Pb-Zn deposits with rare in the Earth are widely distributed in the Sichuan-Yunnan-Guizhou triangle (SYGT) area, in which the typical carbonate-hosted post-hydrothermal Pb-Zn deposits occur due to their high grade of lead and zinc, large reserves, rich in scattered elements germanium and precious metal silver and high economic value. Since the past more than 20 years, by regional structural analysis, ore-field structural analysis, fine anatomy of typical deposits, experimental geochemistry and other systematic studies, our research team has focused on the major theoretical problems, such as the dynamic background of metallotectonic and its metallogenic response mechanism, the mineralization processes of mineral sources, fluid transport and ore aggregation, the mechanism of supernormal enrichment of lead, zinc and germanium, the classification of deposit type and the lead and zinc polymetallic metallogenic system. The metallogenic theory and prospecting technology research and deep exploration practice have made a series of great progresses, which are mainly manifested in the following aspects: 1) the ore-controlling theory of intracontinental strike-slip structure system has been proposed, it is, germanium-rich lead-zinc ore was formed in the intracontinental oblique strike-slip structural system during the Indochinese collision orogeny. The combined styles of fault-fold structure and metallotectonic system has been defined, and the spatial location model of tectonic graded mineralization - ore control and ore body is established, and the spatial location model of tectonic graded mineralization and control ling ore and ore bodies has been established. 2) the mineralization processes has been identified, and the mechanisms of co-differentiation and supernormal enrichment of lead, zinc and germanium have been revealed. 3) a new type of the Huize-type rich-Ge lead-zinc deposit with a certain universality is proposed, and the metallogenic system and fluid ‘penetration’ -metasomatic metallogenic model have been established. On the basis, the theory of inland strike-slip structural system controlling ore and fluid ‘penetration’ -metasomatic mineralization has been put forward. Based on this theory, a series of key deep-exploration techniques to be suitable for such deposits have been developed and applied successfully. These research advances including the biggest prospecting progress in the area in the past 50 years not only provide theoretical support for the development of exploration technology and breakthrough in deep prospecting in the SYGT area, and, but also play an important guiding roles in the research and application of similar deposits in the southwest margin of the Yangtze Block and even Tethys metallogenic domain.
keywords:Research progress  Metallogenic theory  Intracontinental strike-slip structure system  Rich-Ge Zn-Pb deposits  SYGT area  Tethys metallogenic domain.
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