黄金科学技术 ›› 2023, Vol. 31 ›› Issue (3): 359-377.doi: 10.11872/j.issn.1005-2518.2023.03.137
• 矿产勘查与资源评价 • 下一篇
潘彤1(),陈建洲2,3(),丁成旺2,3,马玉亮2,3,梁辉4,张涛2,3,杜小春2,3
Tong PAN1(),Jianzhou CHEN2,3(),Chengwang DING2,3,Yuliang MA2,3,Hui LIANG4,Tao ZHANG2,3,Xiaochun DU2,3
摘要:
为了查明黏土层中稀有金属矿的赋存形式、富集特征和分布范围,了解稀有轻金属矿组分变化特征,评价资源潜力,在柴达木巴伦马海盆地开展了以锂稀有轻金属为主攻矿种的地质调查评价工作。在全新统(Qh)、上更新统(Qp3)和中更新统(Qp2)圈定含矿黏土层3层,估算LiCl潜在资源总量可达114.41万t。选矿试验锂浸取率达到51%~55%。含矿黏土层厚度和Li、Rb、Cs含量变化稳定。锂以铁锰结合态为主,残渣态次之。黏土矿物以伊利石为主,Li、Rb和Cs含量与黏土含量呈正相关关系。本区黏土型锂矿中既有结构型锂,也有吸附型锂,是介于碳酸盐黏土型锂矿与火山岩黏土型锂矿之间的一类黏土型锂矿。首次针对黏土层开展了锂稀有轻金属矿的调查评价工作并发现了黏土型锂稀有轻金属资源,其与液体矿、固体盐矿相生相伴,是盐湖资源的重要组成部分。
中图分类号:
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