| 马小云,范 斌,张霖鑫.陇东地区地下水化学特征及锶型天然矿泉水成因分析——以平凉市崆峒区、庆阳市西峰区为例[J].甘肃地质,2026,35(3):59-69 |
| 陇东地区地下水化学特征及锶型天然矿泉水成因分析——以平凉市崆峒区、庆阳市西峰区为例 |
| HYDROCHEMICAL CHARACTERISTICS OF GROUNDWATER AND GENESIS OF STRONTIUM-TYPE NATURAL MINERAL WATER IN THE LONGDONG AREA |
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| DOI： |
| 中文关键词: 锶型矿泉水 水化学 Person图 成因分析 陇东地区 |
| 英文关键词:strontium-type mineral water hydrochemistry Pearson diagram genesis analysis Longdong area |
| 基金项目:甘肃省自然资源厅项目“甘肃省矿泉水调查”与中国地质调查局项目（DD20160288）资助。 |
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| 中文摘要: |
| 陇东地区的地下水富含矿物质，且水质普遍较好，部分能够满足饮用天然矿泉水指标要求。 本文依据最新水化学检测分析数据，结合区域水文地质条件，采用Piper三线图、Gibbs图分析法及Person相关性图分析等方法，对平凉市崆峒区、庆阳市西峰区地下水化学特征（即矿泉水赋存环境）和锶型天然饮用矿泉水成因进行了定性分析。 结果表明：（1）研究区含水层岩性主要由灰岩、白云岩、砾岩、砂岩、粘土岩等组成，其矿物成分中广泛分布的锶元素为锶型矿泉水的形成提供了重要物质来源；（2）地下水在长期径流和循环过程中将地层中的含锶矿物溶解，是锶型矿泉水形成的主要外驱力；（3）不同的水化学环境组成，可以控制水岩作用的发展趋势，是锶型矿泉水形成的主要内驱力。 |
| 英文摘要: |
| The groundwater in the Longdong area is rich in minerals with generally good water quality, and some of it meets the index requirements for natural mineral drinking water. Based on the latest hydrochemical detection and analysis data, combined with regional hydrogeological conditions, this paper adopts methods such as Piper trilinear diagram, Gibbs diagram analysis, and Pearson correlation analysis to conduct a qualitative study on the hydrochemical characteristics （i.e., the occurrence environment of mineral water） of groundwater and the genesis of strontium -type natural mineral drinking water in Kongtong District of Pingliang City and Xifeng District of Qingyang City. The results show that: （1） The lithology of the aquifers in the study area is mainly composed of limestone, dolomite, conglomerate, sandstone, claystone, etc. The widely distributed strontium element in their mineral composition provides an important material source for the formation of strontium-type mineral water; （2） The dissolution of strontium-bearing minerals in the strata by groundwater during long-term runoff and circulation is the main external driving force for the formation of strontium-type mineral water; （3） Different hydrochemical environment compositions can control the development trend of water -rock interaction and serve as the main internal driving force for the formation of strontium -type mineral water. The research results have certain guiding significance for the exploration, development and utilization planning of natural mineral drinking water in the Longdong area. |
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