云南会泽铅锌矿区地下水化学和同位素分析
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中石油浙江油田分公司,昆明理工大学

基金项目:

国家自然科学基金项目(编号41562012)和云南省自然科学基金项目(编号2013FZ037)


Hydrochemical and Isotopic Analysis of Groundwater in the Huize Lead-Zinc Mining District, Yunnan
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Affiliation:

Zhejiang oilfield company,CNPC,kunming university of science and technology

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    摘要:

    本文通过调查和采样测试,分析云南会泽铅锌矿区地下水的水化学特征,划分其水化学类型;根据不同水文年、不同埋深δ2H和δ18O的变化,分析了地表水体与地下水的相互关系,认为矿区中部含水层受到地表水的入渗,地表水与深部岩溶水的混合作用加大,中部岩溶含水层水力活动范围不断扩大,相对长江流域同位素分布规律,矿区降雨中重同位素偏富,深部岩溶水有显著的埋深效应,季节效应不明显。提供了一个矿区地下水水化学和同位素研究实例,对同类研究有借鉴价值。

    Abstract:

    Through investigation and sampling test, this study analyzed chemical characteristics and hydrochemical types of groundwater in the Huize Lead Zinc mining district, Yunnan. The relationship between surface water and groundwater was investigated on the basis of the changes of δ2H and δ18O at different buried depths in different hydrological years. It is believed that infiltration of surface water into aquifer in the middle of the mining area greatly increases mixing effect of surface water and deep karst water, with hydraulic activity of the middle karst aquifer expanding unceasingly. Compared with the isotope distribution pattern of the Yangtze River basin, rainfall in the mining area contains much heavy isotope. Due to significant effect of burial depth on the deep karst water, seasonal influence is not obvious. This study provides a pilot case for hydrochemical and isotopic investigation on groundwater in the mining area, and is of reference value for similar research.

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宋煜,李保珠.2018.云南会泽铅锌矿区地下水化学和同位素分析[J].地质学报,92(5):1081-1089.
SONG Yu, LI Baozhu.2018. Hydrochemical and Isotopic Analysis of Groundwater in the Huize Lead-Zinc Mining District, Yunnan[J]. Acta Geologica Sinica,92(5):1081-1089.

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历史
  • 收稿日期:2015-12-12
  • 最后修改日期:2018-04-19
  • 录用日期:2018-01-05
  • 在线发布日期: 2018-05-11