高建国,罗波,潘增龙,贺勇刚.西藏西北部盐湖卤水富矿因素及成矿机理[J].地质找矿论丛,2024,39(1):19-25
西藏西北部盐湖卤水富矿因素及成矿机理
Concentration factor and ore-forming mechanism of salt lake brine in the Northwest Tibet
投稿时间:2023-09-04  修订日期:2024-01-21
DOI:10.6053/j.issn.1001-1412.2024.01.003
中文关键词:  盐湖卤水  氯化锂  富矿因素  成矿机理  西藏西北部
英文关键词:Salt lake brine  Li chloride  enrichment factor  ore-forming mechanism  the Northwest Tibet
基金项目:四川省冶金地质勘查院2022年科技创新项目"西藏自治区西北部盐湖选区"项目资助。
作者单位
高建国 四川省冶金地质勘查院, 成都 610051 
罗波 四川省冶金地质勘查院, 成都 610051 
潘增龙 四川省冶金地质勘查院, 成都 610051 
贺勇刚 四川省冶金地质勘查院, 成都 610051 
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中文摘要:
      青藏高原盐湖区是我国四大现代盐湖区之一,矿产资源十分丰富,所含的资源量及潜在经济价值巨大,其盐湖卤水成矿机制一直是众多学者研究的重点。对西藏西北部37个湖泊地表卤水进行系统采样和分析测试的结果表明,这些盐湖地表卤水中氯化锂的平均品位为0.19~748.20 mg/L,其中洞错盐湖成矿潜力较大,矿床地表卤水锂矿可达中型规模;此外,加琼错、懂布错、别若则错及热帮错同样具有较好的开发利用价值。通过对盐湖卤水成矿条件综合研究分析认为,西藏西北部盐湖卤水成矿可能与新特提斯洋壳俯冲及印度-欧亚大陆碰撞作用关系密切。
英文摘要:
      Salt Lake area of Qinghai-Tibet plateau is one of the four salt lake areas in China with abundant mineral resources and huge potential ore volume and economic value. The ore-forming mechanism is always the focus of many scholars. Brine samples collected from 37 salt lakes in the Northwest Tibet are analysed. The average Li chloride of surface water of the lakes is 0.19~478.29 mg/L. Dongcuo salt Lake is with ore-forming potential. The surface water with ore deposit Li grade reaches a medium size Li deposit. In addition the Jiaqiongcuo. Dongbucuo, Bieruozecuo and Rebangcuo lakes are also potential for exploitation. Comprehensive analysis of ore-forming condition of the lake brine shows that the Li ore formation of lake brine in the Northwest Tibet may be closely related to seduction of Neotethy oceanic crust and Indo-Eurasian continent collision.
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