青藏高原典型盐湖硼矿床成矿条件对比与矿床模式研究  

Minerogenetic Conditions and Pattern of Typical Salt Lake-type Borate Deposits on Qinghai-Tibetan Plateau

作　　者：洪荣昌[1,2,3] 高春亮[1,2] 余俊清[1,2] 闵秀云[1,3] 成艾颖[1,2] 张丽莎[1,2] 徐虹[4] HONG Rong-chang GAO Chun-liang YU Jun-qing MIN Xiu-yun CHENG Ai-ying ZHANG Li-sha XU Hong(Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining , 810008, China Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008, China University of Chinese Academy of Scienees, Beijing, 100049, China Changshan County Land and Resources Bureau, Changshan, 324200, China)

机构地区：[1]中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海西宁810008 [2]青海省盐湖地质与环境重点实验室,青海西宁810008 [3]中国科学院大学,北京100049 [4]常山县国土资源局,浙江常山324200

出　　处：《盐湖研究》2017年第1期8-18,共11页Journal of Salt Lake Research

基　　金：国家自然科学基金-青海联合基金项目(U1407206);国家自然科学基金面上项目和青年项目(41501052,41471013);中国科学院“西部之光”西部博士资助项目共同资助

摘　　要：选取青藏高原扎仓茶卡和大柴旦典型盐湖硼酸盐矿床,分别从区域地质背景、气候条件、区域水文地球化学、同位素地球化学以及硼地球化学特征等方面开展研究。结果表明,扎仓茶卡和大柴旦盐湖固体硼酸盐矿床的形成受控于硼自身内在地球化学特性以及外在控制条件,特别是构造运动、第四纪以来的干旱气候条件以及丰富的物源等控制因素,青藏高原盐湖硼酸盐矿床的形成是内外条件耦合的结果。基于扎仓茶卡和大柴旦盐湖硼酸盐矿床的成矿条件和成矿模式的研究,确立青藏高原高寒干旱盐湖区盐湖硼酸盐矿床成矿模式为高山—深盆—浅水成矿模式。The geological setting, climate conditions, regional hydrogeochemistry, isotope geochemistry and boron geochemical characteristics of typical borate deposit in Zhacang Chaka and Da Qaidam salt lake on Qinghai-Tibetan Plateau were presented. The results show that borate deposit of Zhacang Chaka and Da Qaidam salt lake controlled by its own inherent geochemical characteristics and external conditions, espe- cially tectonic movement, arid climate since Quaternary period and abundant provenances, the formation of salt lake-type borate deposits on Qinghai-Tibetan Plateau are the results of coupled inherent and exter- nal conditions. Based on the study of minerogenetic conditions and pattern of borate deposits in Zhacang Chaka and Da Qaidam salt lake, we establish a minerogenetic pattern of borate deposits on Qinghai-Tibet- an Plateau as a high mountain-deep basin-shallow water pattern.

关 键 词：盐湖硼矿床 成矿条件 成矿模式 扎仓茶卡 大柴旦盐湖 青藏高原 

分 类 号：P611.22[天文地球—矿床学]