Major Factors Controlling Calcite Dissolution in Hydrothermal Karst Systems

Wang Yanxin; Tang Zhonghua; Zhang Qinbao; Wang Guoqin

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Major Factors Controlling Calcite Dissolution in Hydrothermal Karst Systems

机译：控制水热岩溶体系中方解石溶解的主要因素

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To find out major factors controlling the dissolution of calcite in hydrothermal systems, equations describing the relationship between Ca~(2+) concentration at equilibrium and partial pressure p (CO_2) are deduced for different thermodynamic conditions. The calculation results show that the intensity of calcite dissolution increases with the increase of p(CO_2), temperatures around 363 K are the most favorable ambient temperature for hydrothermal karst development, and that the volume ratio of CO_2 gas over water and the mass fraction of foreign ions also have some effects on calcite dissolution.

机译：为了找出控制水热系统中方解石溶解的主要因素，推导了描述不同热力学条件下平衡状态下Ca〜（2+）浓度与分压p（CO_2）之间关系的方程。计算结果表明，方解石溶解强度随p（CO_2）的增加而增加，温度为363 K左右为热液岩溶发育最有利的环境温度，CO_2与水的体积比和质量分数外来离子也对方解石溶解有一些影响。

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来源
《Journal of China University of Geosciences》 |1996年第2期|p.204-208|共5页
作者
Wang Yanxin; Tang Zhonghua; Zhang Qinbao; Wang Guoqin;
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正文语种 eng
中图分类地质学;
关键词
karst; hydrothermal fluid; thermodynamics; modeling;

机译：岩溶;热液;热力学;建模;

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Major Factors Controlling Calcite Dissolution in Hydrothermal Karst Systems

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