赣南山区矿泉水出露模式探讨
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引用本文:孙智杰,高宗军,王新峰,林海斌,宋绵.2018.赣南山区矿泉水出露模式探讨[J].地球学报,39(5):565-572.
DOI:10.3975/cagsb.2018.071001
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作者单位E-mail
孙智杰 山东科技大学 地球科学与工程学院 657128576@qq.com 
高宗军 山东科技大学 地球科学与工程学院  
王新峰 中国地质调查局水文地质环境地质调查中心 wxf820813@126.com 
林海斌 山东科技大学 地球科学与工程学院  
宋绵 中国地质调查局水文地质环境地质调查中心  
基金项目:中国地质调查局地质调查项目“长江中游城市群咸宁-岳阳和南昌-怀化段高铁沿线1:5万环境地质调查”(编号: DD20179262)
中文摘要:赣南属于典型的山区, 也是严重缺水区, 一般在山区沟谷两侧有优质矿泉水涌出地表。宁都县位于赣南北部, 具有赣南典型的地貌特征、构造特征。现以宁都县为例, 探讨矿泉水的分布与出露模式。通过区域地质调查、水文地质条件分析及水质分析, 发现: 矿泉水类型主要为偏硅酸矿泉水, 含量30.72~48.56 mg/L, 水化学类型为HCO3-Ca·Na型水, 水温普遍低于25℃, 溶解性总固体小于153.53 mg/L, 属于低矿化冷矿泉; 断裂构造为矿泉水形成提供水动力条件, 也为矿泉水的运移、贮存提供良好空间; 地形地貌以侵蚀构造山地丘陵为主, 高差大、切割深的径流条件促进了地下水中偏硅酸的富集; 花岗岩中的高含量SiO2为矿泉水提供了物质基础, 且风化程度高、裂隙发育, 水岩作用进行充分。
中文关键词:赣南  宁都县  偏硅酸矿泉水  浅循环泉  风化裂隙
 
Exploration of Mineral Water Outcropping Pattern in the Mountainous Area of South Jiangxi
Abstract:South Jiangxi is a typical mountainous area, and it is also a severe water shortage area. Generally, high-quality mineral water flows out of the ground on both sides of mountain valleys. Ningdu County is located in the northern part of South Jiangxi and has the typical geomorphological features and structural features of South Jiangxi. Taking Ningdu County as an example, the authors investigated the distribution and exposure patterns of mineral water. Through regional geological survey, hydrogeological conditions analysis and water quality analysis, it is found that the type of mineral water is mainly silicic acid mineral water, with content of 30.72~48.56 mg/L, the water chemistry type is HCO3-Ca·Na type water, the water temperature is generally lower than 25 °C, and the total dissolved solids are less than 153.53 mg/L, thus belonging to low mineralization cold mineral springs. The fault structure provides hydrodynamic conditions for the formation of mineral water, and also provides a good space for the transfer and storage of mineral water. The topography and landform are dominated by eroded structural hilly hills. Large runoff and deep cutting conditions promote the enrichment of metasilicic acid in groundwater. The high content of SiO2 in granite provides a material basis for mineral water, and has a high degree of weathering, fissure development, and water-rock interaction.
keywords:South Jiangxi  Ningdu County  meta-silicic acid mineral water  shallow groundwater circulation  weathering fissure
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