河北平原地下水锶同位素形成机理

叶萍; 金勤胜; 周爱国; 刘存富; 蔡鹤生; 甘义群

Volume 33 Issue 1

Jan. 2008

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Article Navigation > Earth Science > 2008 > 33(1): 137-144

YE Ping, JIN Qin-sheng, ZHOU Ai-guo, LIU Cun-fu, CAI He-sheng, GAN Yi-qun, 2008. Formation Mechanism of Sr Isotopes in Groundwater of Hebei Plain. Earth Science, 33(1): 137-144.

Citation:

YE Ping, JIN Qin-sheng, ZHOU Ai-guo, LIU Cun-fu, CAI He-sheng, GAN Yi-qun, 2008. Formation Mechanism of Sr Isotopes in Groundwater of Hebei Plain. Earth Science, 33(1): 137-144.

YE Ping, JIN Qin-sheng, ZHOU Ai-guo, LIU Cun-fu, CAI He-sheng, GAN Yi-qun, 2008. Formation Mechanism of Sr Isotopes in Groundwater of Hebei Plain. Earth Science, 33(1): 137-144.

Citation:

YE Ping, JIN Qin-sheng, ZHOU Ai-guo, LIU Cun-fu, CAI He-sheng, GAN Yi-qun, 2008. Formation Mechanism of Sr Isotopes in Groundwater of Hebei Plain. Earth Science, 33(1): 137-144.

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Formation Mechanism of Sr Isotopes in Groundwater of Hebei Plain

1.
Faculty of Environmental Studies, China University of Geosciences, Wuhan 430074, China
2.
Faculty of Engineering, Jiangcheng College of China University of Geosciences, Wuhan 430200, China
3.
Central Southern China Electric Power Design Institute, Wuhan 430071, China

Received Date: 2007-04-16
Publish Date: 2008-02-25

Abstract

Abstract

To analyze the genesis of Sr isotopes ingroundwater of Hebei plain, time-accumulative effect of ⁸⁷Sr/⁸⁶Sr ratios was studied. It is shown that ⁸⁷Sr/⁸⁶Sr ratio increases with the increasing age and depth of groundwater and has a positive correlation to ⁴He_exc and a negative correlation to δ¹⁸O and δD. The groundwater is divided into three groups to discuss the relation between ⁸⁷Sr/⁸⁶Sr ratio and Sr²⁺ content: (1) moderate Sr²⁺ content and higher ⁸⁷Sr/⁸⁶Sr (water I); (2) lower Sr²⁺content and higher ⁸⁷Sr/⁸⁶Sr (water Ⅱ); and (3) higher Sr²⁺ content and lower ⁸⁷Sr/⁸⁶Sr (water Ⅲ), that is hot water. On the basis of integrated analysis, it was considered that (1) the radiogenic Sr in the Quaternary groundwater (Q4-Q1) originates from weathering of silicate rich in Na and Rb, mainly from plagioclase; (2) the radiogenic Sr of hot water in Huanghua port is attributed to carbonate dissolution, with lower ⁸⁷Sr/⁸⁶Sr and higher Sr/Na; (3) the recharge area is laterally recharged by the groundwater flowing through igneous and metamorphic rocks, with moderate ⁸⁷Sr/⁸⁶Sr ratio. However, the genesis of Sr isotopes in Tertiary groundwater needs further studies.
- strontium,
- ⁸⁷Sr/⁸⁶Sr,
- groundwater,
- Hebei plain.

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References(18)

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