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蒸发岩成因的物理化学研究
引用本文:李亚文,韩蔚田.蒸发岩成因的物理化学研究[J].地学前缘,1994(4).
作者姓名:李亚文  韩蔚田
作者单位:中国地质大学
摘    要:海水体系相平衡的研究是蒸发岩矿床成因研究的物理化学基础。本文简要回顾了我国在这方面的研究成果,包括对黄海海水、南海海水的等温蒸发实验,对潜江凹陷蒸发岩形成机理的研究,对蒸发岩变质作用的研究,对杂卤石形成条件的研究以及K、Na、Mg/Cl-H_2O四元体系多温计算系统的研制等等。这些工作都是以物理化学理论和实验为基础,探讨蒸发岩矿床的形成及演化机理。文中还介绍了近年来由著名物理化学家K.S.Pitzer提出的多组分电解质溶液理论,并简要介绍了Pitzer理论在海水体系相平衡研究中的应用。

关 键 词:海水体系,相平衡,蒸发岩成因,Pitzer理论

A REVIEW OF PHYSICOCHEMICAL STUDY ON THE ORIGIN OF EVAPORITE
Li Yawen,Han Weitian.A REVIEW OF PHYSICOCHEMICAL STUDY ON THE ORIGIN OF EVAPORITE[J].Earth Science Frontiers,1994(4).
Authors:Li Yawen  Han Weitian
Abstract:Phase equilibrium of sea water system forms the physicoche-mical basis of research on the origin of evaporite deposits. This review sums up the currentadvances of this field in China including the isothermal evaporation experiments of the Yel-low sea water and the South China sea water.studies on the formation mechanics of the e-vaporites in Qianjiang basin,metamorphism of evaporites, physicochemical conditions re-sponsible for the formation of polyhalite, and the setting up of polythermal computing sys-tem of K-Na-Mg/Cl-H_2O quaternary system.These researches are all based on physico-chemical theories and experiments,and aimed at mechanics of the formation and evolutionof the evaporite deposits.Pitzer's theory on electrolyte solution for multiple componentshas also been introduced here.Its application to the research on the phaes equilibrium ofsea water system has been briefly discussed.
Keywords:phase equilibrium  sea water system  evaporite  Pitzer theory  
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