Sulfate Mineral Lakes of Western Transbaikalia: Formation Conditions and Chemical Composition of Waters and Bottom Sediments

被引：1

作者：

Plyusnin, A. M. ^{[1
,2
]}

Khazheeva, Z., I ^{[1
]}

Sanzhanova, S. S. ^{[1
]}

Peryazeva, E. G. ^{[1
]}

Angakhaeva, N. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Geol Inst, Ul Sakhyanovoi 6a, Ulan Ude 670047, Russia

[2] East Siberia State Univ Technol & Management, Ul Klyuchevskaya 40V,Str 1, Ulan Ude 670047, Russia

来源：

RUSSIAN GEOLOGY AND GEOPHYSICS | 2020年 / 61卷 / 08期

基金：

俄罗斯基础研究基金会;

关键词：

mineral lakes; evaporation; freezing-out; sulfate ion; trace elements; REE; isotope composition; bottom sediments; BAIKAL; GEOCHEMISTRY; PROVINCE; SPRINGS; BASIN; AREA;

D O I：

10.15372/RGG2019154

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The paper presents the formation of the chemical composition of water in the sulfate mineral lakes of western Transbaikalia. It is shown that sodium sulfate water in the regional lakes forms in two zones of continental salinization, the Barguzin and Gusinoe Ozero-Orongoi depressions. The average mineralization of the lakes reaches 30.8 g/L, pH = 7.90-8.84, the fractional content of sulfate ion is 55.2-81.8% eq, and the fractional content of sodium ion is 59.1-82.1% eq. The paper presents the major-ion and trace-element composition of lake waters and the chemical and mineral composition of bottom sediments. It is shown that groundwater enriched in sodium sulfate plays a major role in the lake formation.

引用

页码：858 / 873

页数：16

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