当前位置: X-MOL 学术Moscow Univ. Geol. Bull. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
The Geochemistry of Rare Earth Elements in Natural Waters and Secondary Mineral Sediments of Thermal Fields of Kamchatka
Moscow University Geology Bulletin Pub Date : 2020-06-17 , DOI: 10.3103/s0145875220020027
G. A. Chelnokov , N. A. Kharitonova , I. V. Bragin , A. V. Aseeva , K. Y. Bushkareva , L. A. Liamina

Abstract

The distribution of rare-earth elements in surface and underground waters, water-bearing rocks, and secondary mineral neoformations of thermal waters of the Paratunka and Vilyuchinsk hydrothermal systems of Kamchatka has been studied. It is revealed that their content, distribution, and fractionation differ with respect to the geochemical type of water and the pH–Eh of the aquifer. All waters are characterized by the domination of the transportation of dissolved rare earth elements, which exceeds their transportation with colloids by 1000 times. It has been shown that neoformations of carbonates, sulfates, and silicates, including calcite, gypsum, and amorphous opal, are widespread in the discharge areas of the studied thermal waters. The redistribution intensity of rare earth elements in the rock–water–secondary deposits system is very low in waters of the sulfate type, where the elements are bonded to sulfates. At the same time, the precipitation of rare earth elements as newly formed mineral phases is most intensive in water with carbonate complexes.


中文翻译:

堪察加半岛自然环境中的稀土元素地球化学和热场次生矿物沉积物

摘要

研究了堪察加邦Paratunka和Vilyuchinsk热液系统的地表水和地下水,含水岩石以及热水中的次生矿物新形成中的稀土元素分布。结果表明,它们的含量,分布和分馏因水的地球化学类型和含水层的pH-Eh而异。所有水域的特征都是溶解的稀土元素的运输占主导地位,这是其与胶体的运输量的1000倍以上。已经表明,碳酸盐,硫酸盐和硅酸盐的新形成物,包括方解石,石膏和无定形蛋白石,在所研究的热水排放区域中普遍存在。岩石-水-二次沉积物中稀土元素的重新分布强度在硫酸盐类型的水中非常低,因为这些元素与硫酸盐结合。同时,稀土元素作为新形成的矿物相的沉淀在含碳酸盐复合物的水中最为密集。
更新日期:2020-06-17
down
wechat
bug