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首页> 外文期刊>Geochemical Journal >Hydrochemistry and noble gas geochemistry of geothermal waters in Chungcheong Province, South Korea
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Hydrochemistry and noble gas geochemistry of geothermal waters in Chungcheong Province, South Korea

机译：韩国忠清道地热水的水化学和稀有气体地球化学

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摘要

Fifteen water and gas samples from hot spring sites in Chungcheong Province, South Korea, were analyzed to determine their chemical compositions and noble gas isotopic ratios. These hot spring water samples were grouped into three chemical types: Ca-HCO3, Ca(Na)-HCO3, and Na-HCO3. The wide range of He-3/He-4 ratios in the hot spring waters (0.036-1.76 x 10(-6); R/Ra = 0.026-1.26) indicates that the He originates from both mantle and crustal sources in the forms of He-3 and He-4, respectively, with He-4 dominating. The He-4/Ne-20 isotopic ratios and the concentrations of mantle-derived He-3 suggest that geothermal waters originate from a common, deep-seated source containing mantle-derived and crustal He that mixes with shallow groundwater containing atmospheric noble gases as it rises to the surface.
机译：分析了来自韩国忠清省温泉站点的15个水和天然气样品，以确定它们的化学成分和稀有气体同位素比。这些温泉水样本分为三种化学类型：Ca-HCO3，Ca（Na）-HCO3和Na-HCO3。温泉水中的He-3 / He-4比率范围很广（0.036-1.76 x 10（-6）; R / Ra = 0.026-1.26）表明He来源于地幔和地壳源He-3和He-4分别以He-4为主。 He-4 / Ne-20同位素比率和地幔衍生的He-3的浓度表明，地热水来自含有地幔衍生和地壳He的常见的深层水源，后者与含有大气稀有气体的浅层地下水混合，它上升到表面。

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