Hydrogeochemical peculiarities of the composition of nitric thermal waters in the Baikal Rift Zone

A. M. Plyusnin, L. V. Zamana, S. L. Shvartsev, Olga Grigorievna Tokarenko, M. K. Chernyavskii

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The chemical, gas, and isotopic compositions of nitric thermal waters in the Baikal Rift Zone are considered. It is shown that the behavior of sulfate and carbonate ions in hydrothermal systems is different, which indicates that they are of two different origins. The studied thermal waters are of five chemical types formed in different geologic conditions. Special attention is given to the genesis of hydrotherms, the geologic and geomorphologic conditions of their recharge, and their equilibrium with rocks. It has been established that most of chemical elements of the waters migrated from rocks, but a significant portion of them is bound by secondary minerals, which results in their deep differentiation, accumulation, or precipitation. Thus, the so-called redundant elements appear, which were earlier considered to be of mantle origin.

Original languageEnglish
Pages (from-to)495-508
Number of pages14
JournalRussian Geology and Geophysics
Volume54
Issue number5
DOIs
Publication statusPublished - 1 May 2013

Keywords

  • Baikal Rift Zone
  • Element origin
  • Formation of resources and chemical composition
  • Hydrogen and oxygen isotopic compositions of water
  • Nitric thermal waters

ASJC Scopus subject areas

  • Geophysics
  • Geology

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