| 桂林地区岩溶水87Sr/86Sr特征 |
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| 关键词:87Sr/86Sr underground river system karst Guilin area |
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| 87Sr/86Sr Characteristics of Karst Water in Guilin Area |
| Strontium is the richest trace element in upper lithosphere. Due to its stable chemical characteristics, it is inactive to most substances under natural conditions. The Sr concentrations and 87Sr/86Sr ratios are obviously different in different water-rock interac-tion settings. Based on analyzing Sr2+ and 87Sr/86Sr of different groundwater samples in two underground river systems, this paper has drawn some conclusions. Underground waters passing through different strata have different 87Sr/86Sr ratios and Sr concentra-trations. These differences depend on the strata and the water rock interaction. Therefore, the 87Sr/86Sr ratio can reflect the forma-tion, runoff and mixing of underground water and hence is an ideal tracer with a wide application vista in karst water research. |
| WANG Tao,WANG Zengyin.2005.87Sr/86Sr Characteristics of Karst Water in Guilin Area[J].Acta Geoscientica Sinica,26(z1):299-302. |
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