| 地球化学模拟在南北古脊梁岩溶裂隙水系统划分中的应用 |
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| 关键词:Northward Archaic uplift karst fissure water geochemical modeling |
| 基金项目:地质调查项目“宁南水资源综合评价与合理开发利用”（编号：DKD2002005-1） |
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| Application of Geochemical Modeling in the Plotting of Karst Fissure Water Systems in the North-south Archaic Uplift, Ningxia, China |
| Northward archaic uplift is the central part of Helan Mountain Northward tectonic system, it′s a uplift of Sinian, Cambrian, and Ordovician stratums. There is abundant karst fissure water in the limestone and dolomite of Cambrian and Ordovician. For the reason of deep embedding and complex tectonic condition, scatter and flow condition of the karst fissure water is still obscure. In this paper, geochemical modeling method was used to fix the border between karst fissure water systems and the relationship of diffe(rent) systems. The modeling results show that: the border between karst fissure water systemⅠandⅡ is between Yanwan and Lvtao, the border is a moveable groundwater dividing crest, and is recharged by quaternary groundwater; There is maybe strong groundwater flow along a water conductive fault between Sun spring and Mengcheng spring, about 46% of the groundwater of Sun spring is from Mengcheng spring by the connection of this water conductive fault. |
| YU Qiu-sheng,ZHANG Fa-wang,HAN Zhan-tao,YU Yan-qing,XUE Zhong-qi.2005.Application of Geochemical Modeling in the Plotting of Karst Fissure Water Systems in the North-south Archaic Uplift, Ningxia, China[J].Acta Geoscientica Sinica,26(4):375-380. |
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