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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 Zhaccachaka and Dachaidan typical salt lake borate deposits in the Qinghai-Xizang Plateau are selected to study the regional geological background, climatic conditions, regional hydrogeochemistry, isotope geochemistry and boron geochemistry. The results show that the formation of the Zhaccachaka and Dachaidan salt lake solid borate deposits is controlled by intrinsic boron geochemical characteristics and external control conditions, especially tectonic movement, arid climatic conditions since Quaternary, Source and other control factors, the formation of salt lake borate deposits in the Qinghai-Tibet Plateau is the result of coupling of internal and external conditions. Based on the research on metallogenic conditions and metallogenic model of Zhaccachaka and Dachaidan salt lake borate deposits, it is established that the metallogenetic model of salt lake borate deposits in alpine arid and arid Saline Lake in Qinghai-Tibet Plateau is alpine-deep basin-shallow water metallogenic model.