|本期目录/Table of Contents|

[1]刘永梅,崔月菊,孙凤霞,等.内蒙古—辽宁交界地区地下水化学类型及其成因分析[J].地震研究,2023,46(01):58-67.[doi:10.20015/j.cnki.ISSN1000-0666.2023.0007 ]
　LIU Yongmei,CUI Yueju,SUN Fengxia,et al.Hydrochemical Types and the Genesis of the Ground Water in the Border Area of Inner Mongolia and Liaoning Province[J].Journal of Seismological Research,2023,46(01):58-67.[doi:10.20015/j.cnki.ISSN1000-0666.2023.0007 ]
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内蒙古—辽宁交界地区地下水化学类型及其成因分析(PDF/HTML)

《地震研究》[ISSN:1000-0666/CN:53-1062/P]

卷:
46
期数:
2023年01期
页码:
58-67
栏目:
地震地下流体监测预报理论及技术应用专栏
出版日期:
2023-01-01

文章信息/Info

Title:
Hydrochemical Types and the Genesis of the Ground Water in the Border Area of Inner Mongolia and Liaoning Province
作者:
刘永梅1; 崔月菊2; 孙凤霞2; 仵柯田3; 姜 莉2; 刘改梅4; 陈立峰1; 杜建国2
(1.内蒙古自治区地震局,内蒙古 呼和浩特 010010; 2.中国地震局地震预测研究所 高压物理与地震科学联合实验室,中国地震局地震预测重点实验室,北京 100036; 3.陕西国际商贸学院,陕西 西安 712046; 4.内蒙古自治区巴彦淖尔市地震局,内蒙古 巴彦淖尔 015000)
Author(s):
LIU Yongmei1; CUI Yueju2; SUN Fengxia2; WU Ketian3; JIANG Li2; LIU Gaimei4; CHEN Lifeng1; DU Jianguo2
(1.Earthquake Agency of Inner Mongolia Autonomous Region,Hohhot 010010,Inner Mongolia,China)(2.United Laborary of High-Pressure and Earthquake Science,Key Laboratory of Earthquake Prediction,Institute of Earthquake Forecasting,China Earthquake Administration,Beijing 100036,China)(3.Shaanxi Institute of International Trade & Commerce,Xi'an 712046,Shaanxi,China)(4.Bayannao'er Earthquake Agency,Inner Mongolia Autonomous Region,Bayannao'er 015000,Inner Mongolia,China)
关键词:
地下水;  氢氧同位素;  水化学类型;  补给来源;  内蒙古—辽宁交界
Keywords:
ground water;  hydrogen and oxygen isotope;  hydrochemical types;  supply source;  the border area between Inner Mongolia and Liaoning Province
分类号:
P315.723
DOI:
10.20015/j.cnki.ISSN1000-0666.2023.0007
摘要:
通过对内蒙古东部—辽宁西部地区主要活动断裂带及其周边25个泉、井、河流、水库取样点的氢氧同位素组成及主要离子含量进行测试,讨论了该地区地下水的物质来源及其与地震活动的关系。结果表明:①研究区地下水主要来源于大气降水。水样TDS范围为40.14～1 720.87 mg/L,低矿化度(TDS<200 mg/L)水样的离子主要来源于岩石溶解和大气输入,而其它水样的离子主要来源于岩石溶解和深部流体,大气输入相对很小,但各测区深部流体的贡献有明显差别; ②低温热水、中温热水及高温热水均为花岗岩裂隙水,其水化学类型为硫酸型和重碳酸型,富含碱性长石的火成岩溶解导致地下水富Na+,周围构造活动相对活跃。其中,RST水样更接近深部储水层的热水特征,表明其受深部流体影响为主; ③NS和AES水样位于阴山北部高原区,为CO2过饱和水,属重碳酸钠型; AES受干旱区季节性降水淋滤表层可溶盐、水体的蒸发以及深部富CO2流体混入造成其矿化度最高; ④KZHQ和BYNE水样分别处于碳酸盐岩含水层和含砾砂岩含水层,由于Ca2+参与了矿物沉淀,水中相对富集Na+,形成重碳酸钠型水。在地震活动性较强的地段,地下水化学成分受深部流体的影响较大。
Abstract:
The hydrochemical types and origins of the underground water collected from 25 hot springs(wells)at the main active fault zones in the border area between Inner Mongolia and Liaoning Province were discussed based on the isotope ratios of hydrogen and oxygen as well as ion concentrations.The results show that:①Values of δD and δ18O range from -106.7‰ to -57.3‰ and -15.6‰ to -7.5‰,respectively,which indicate the waters have a meteoric origin.The TDS values of water samples range from 40.14 mg/L to 1 720.87 mg/L.The ions of the water samples with low salinity(TDS<200 mg/L)mainly come from rock dissolution and atmospheric input,while the ions of other water samples mainly come from rock dissolution and deep fluid.The atmospheric input is relatively small,but the contribution of deep fluid at each survey point is significantly different; ②The low-temperature,medium-temperature and high-temperature water is all granite fissure water,and their hydrochemical types are sulfuric acid type and bicarbonate type.The dissolution of alkali-feldspar in igneous rocks leads to the enrichment of Na+ in groundwater,and the surrounding tectonic activities are relatively active.Among them,the RST water sample is closer to the hot water characteristics of deep water storage layer,indicating that the water sample is mainly affected by deep fluid; ③The NS well and AES water samples from the northern plateau area of the Yinshan Mountain are CO2 supersaturated water,and the soda water is Na?Ca?Mg-HCO3 and Na?Mg-HCO3.AES water samples have the highest salinity due to the leaching of surface soluble salts by seasonal precipitation in arid areas,which can be attributed to meteoric water leaching soluble salts and mixture with the CO2-enriched,deep fluids.④The KZHQ and BYNE observation well are located in carbonate rock aquifer and gravel sandstone aquifer respectively.Because Ca2+ participates in mineral precipitation,Na+ is relatively enriched in the water,forming sodium-bicarbonate-type water.The chemical composition of groundwater is greatly affected by deep fluids in the seismically active region.

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备注/Memo

备注/Memo:
收稿日期:2022-02-21.
基金项目:2021年度内蒙古地震局局长基金课题(2021JC05)、2022年度震情跟踪定向工作任务(2022010316)和2021年度河北省地震科技星火计划项目攻关项目(DZ202108090107)联合资助.
第一作者简介:刘永梅(1983-),工程师,主要从事与地震、构造相关的水文与气体地球化学等研究.E-mail:bxiiwangg@126.com.
通讯作者简介:杜建国(1956-),研究员,主要从事地球化学、地震地质和岩石物理研究.E-mail:jianguodu@hotmail.com.
更新日期/Last Update: 2023-01-01