| 柳林泉域岩溶水特点与地质背景条件分析 |
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| 引用本文： | 高宝玉,梁永平,王维泰.柳林泉域岩溶水特点与地质背景条件分析[J].中国岩溶,2008,27(3):209-214. |
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| 作者姓名： | 高宝玉 梁永平 王维泰 |
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| 作者单位： | 1. 山西省吕渠市水资源研究所,山西,吕梁,033000
2. 中国地质科学院岩溶地质研究所,广西,桂林,541004 |
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| 基金项目： | 国土资源部公益性行业科研项目 |
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| 摘 要： | 柳林泉域作为我国北方典型的单斜一顺置式岩溶水资源系统，岩溶水在循环过程中表现出与其它泉域共性的同时，也存在一些非常奇特的特征：（1）由于泉域内断层、褶皱轴和区域隔水顶板的阻水作用，造成了岩溶地下水在主径流方向上的二级排泄与三次富集；（2）由于泉域中部王家会阻水性背斜轴的倾覆所形成的地下潜流断面梯形形态，导致了泉水流量衰减幅度与阻水断面上游区岩溶地下水位下降幅度的不匹配；（3）由于泉域南、北翼岩溶地下水循环路径和所处的地球化学背景不同，导致了分布在三川河两岸相距不足300m的泉水水化学特征表现出很大的差异性；（4）由于岩相建造地处中奥陶世古膏盐湖东部边缘，泉域西部中硬石膏溶解不仅形成了岩溶热水，而且还使得柳林泉成为“锶矿泉水”。上述特征都是由柳林泉域特定的地质结构、地球化学环境和岩相古地理条件所决定的。
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| 关 键 词： | 岩溶水 硫同位素 地质背景 柳林泉域 山西 |
Features of karst water and geologic background in Liulin spring basin |
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| GAO Bao-yu,LIANG Yong -ping and WANG Wei-tai.Features of karst water and geologic background in Liulin spring basin[J].Carsologica Sinica,2008,27(3):209-214. |
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| Authors: | GAO Bao-yu LIANG Yong -ping and WANG Wei-tai |
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| Institution: | GAO Bao-yu ,LIANG Yong-ping, WANG Wei-tai (1. Lü liang Institute of Waterresuorce of Shanxi Province, Lü liang,Shanaxi 033000, China ; 2. Institute of Karst Geology, CAGS, Guilin,Guanxi 541004,China) |
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| Abstract: | As a typical＂monocline-seriate type＂ karst groundwater system in north China, Liulin karst spring not only is of some generality with other springs but also its own unique features. Firstly, because of the water-resistance by fault, fold axis and overlying confining bed, the ＂second-level drainage＂ and ＂three times enrichment＂ in the main direction of karst water runoff are formed. Secondly, the exist of ＂trapezoid shaped＂ of undercurrent section caused by the upset of Wangjiahui confining anticline axis in the middle of the spring area results in the rate of discharge decrease and the decline of water table at the upper reaches of the water-resistant section are out of line. Thirdly, sulfur isotope analysis shows that： because the water cycle path and the geochemical background are different between south and north limb of the spring area, which lead to gigantic hydrochemical diversity among the springs distributed in less than 300m on the different sides of Sanchuan river. And lastly, the dissolve of anhydrite comes from the middle Ordovician layer is one of the reason for the formation of karst hot water in the west of the spring area, and the west part of the spring area located in the eastern edge of ancient gypsum salt lake formed in the middle Ordovician layer, such lithoface environment made Liulin spring to be ＂Sr mineral water＂. All the above mentioned characteristics are determined by the special geologic structure, geochemic environment and lithofacies as well as palaeogeography in the study spring. |
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| Keywords: | karst groundwater sulfur isotope geologic background Liulin spring basin Shanxi province |
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