| 河南漯河市明化镇组温热水地球化学特征及成因 |
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| 引用本文： | 赵明坤,孙亚军,段忠丰,沈权伟,路桂景.河南漯河市明化镇组温热水地球化学特征及成因[J].现代地质,2022,36(2):507-514. |
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| 作者姓名： | 赵明坤 孙亚军 段忠丰 沈权伟 路桂景 |
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| 作者单位： | 1. 中国矿业大学 资源与地球科学学院,江苏 徐州 2211162. 河南省煤炭地质勘察研究总院,河南 郑州 4500523. 中国石油大学(华东) 深层油气重点实验室,山东 青岛 266580 |
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| 基金项目： | 国家自然科学基金重点项目(51936001)；;中央高校基本科研业务费专项(19CX05002A)； |
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| 摘 要： | 全球环境污染形势依然严峻,加大地热等可再生能源开发力度已成为人类社会的共识。在系统梳理河南漯河地热地质条件基础上,以新近系明化镇组温热水为主要研究对象,通过采样化验,结合所收集资料,对其水化学场、温度场、同位素等进行研究,提出了漯河地热地质成因模式。研究结果表明:河南漯河温热水水化学类型较为复杂,以Cl-Na型、Cl-Na·Ca型、Cl·SO4-Na型为主,次为Cl·HCO3-Na型和SO4·Cl-Na型。漯河新近系明化镇组地热水以沉积水为主,有少量的侧向补给,补给源主要为来自西部及西北部山丘区的大气降水,循环深度为1 320 m,属于典型的传导型地热系统。
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| 关 键 词： | 地热地质 水化学类型 传导型地热系统 |
| 收稿时间： | 2020-12-22 |
| 修稿时间： | 2022-02-20 |
Geochemical Signature and Genesis of Geothermal Water in Minghuazhen Formation,Luohe, Henan Province |
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| ZHAO Mingkun,SUN Yajun,DUAN Zhongfeng,SHEN Quanwei,LU Guijing.Geochemical Signature and Genesis of Geothermal Water in Minghuazhen Formation,Luohe, Henan Province[J].Geoscience——Journal of Graduate School,China University of Geosciences,2022,36(2):507-514. |
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| Authors: | ZHAO Mingkun SUN Yajun DUAN Zhongfeng SHEN Quanwei LU Guijing |
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| Institution: | 1. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China2. Henan Provincial Coal Geological Survey and Research Institute, Zhengzhou, Henan 450052, China3. Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao, Shandong 266580, China |
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| Abstract: | Global environmental pollution remains severe, and the development of renewable energy such as geothermal has become a consensus in modern society. By combining systematically the geothermal and geological conditions of Luohe in Henan Province, and taking the Neogene Minghuazhen Formation geothermal water as a case study, we sampled and analyzed the hydrochemical field, temperature field, and isotopes. We proposed a geothermal-geological genetic model for Luohe. Our data indicate that the chemical types of local geothermal water are complex, including mainly Cl-Na, Cl-Na·Ca, Cl·SO4-Na types, followed by Cl·HCO3-Na and SO4·Cl-Na types. The geothermal water is sourced mainly from pore water of the Neogene Minghuazhen Formation with minor lateral recharge. The replenishment source comes mainly from atmospheric precipitation in the western and northwestern hilly areas. The circulation depth is 1,320 m, typical of a conductive geothermal system. |
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| Keywords: | geothermal geology water chemistry type conductive geothermal system |
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