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| A PRELIMINARY STUDY ON THE FORMING CONDITION OF THE NATURAL SODA WATER IN BAOQUAN TOWN, HEILONGJIANG PROVINCE |
| TIAN Da-yong1, CUI Zhong-yuan1, KONG Qing-xuan2, WANG Di1 |
1. The No. 1 Institute of Hydrogeologic and Engineering Geologic Exploration, Qiqihar 161006, Heilongjiang Province, China;
2. Geological Environment Monitoring Station of Heilongjiang Province, Harbin 150091, China |
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Abstract Based on the stratigraphy, structure, hydrogeology and hydrogeochemical environment, the distribution and forming condition of the soda water in Baoquan Town,Kedong County of Heilongjiang Province are discussed. That soda is formed by the processes of sedimentation, volcanic activities and fault structure. The natural soda water occurs mainly in the pore-fissure confined aquifer of the clastic rock of Nenjiang group, Upper Cretaceous. Affected by the Himalayan volcanic activities and fault movements, the closed reduction environment of the Upper Cretaceous aquifer in Kedong County changed to open or semi-open oxidation environment, leading to decarbonization. The ions of HCO3- and Na+ became the main components of the groundwater. The natural soda water is thus formed.
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Received: 24 March 2008
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2008, Vol. 17 
