磨西断裂热水水文地球化学特征及其短周期信息分析
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- 英文论文题名：Hydrochemistry and Short Cycle Analysis of the Thermal Springs in the Moxi Fault:Implications for the Hydrothermal Formation Model
- 论文作者：安成蛟 ; 漆继红 ; 许模 ; 张云辉 ; 张强
- 英文论文作者：An Chengjiao ; Qi Jihong ; Xu Mo ; Zhang Yunhui ; Zhang Qiang ; Chengdu University of Technology ; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation
- 年：2016
- 作者机构：成都理工大学地质环境保护与地质灾害防治国家重点实验室;
- 论文关键词：摩西断裂 ; 水文地球化学 ; 短周期信息
- 英文论文关键词：moxi fault ; hydrochemistry ; short cycle information
- 会议召开时间：2016-10-14
- 会议录名称：“川藏铁路建设的挑战与对策”2016学术交流会论文集
- 语种：中文
- 分类号：P641.3
- 学会代码：ZGTD
- 会议名称：“川藏铁路建设的挑战与对策”2016学术交流会
- 会议地点：中国四川成都
- 主办单位：中国铁道学会、中国铁道学会工程分会、中国中铁股份有限公司、中铁二院工程集团有限责任公司
- 学会名称：中国铁道学会
- 页数：10
- 文件大小：1228k
- 原文格式：O
- 会议级别：全国
摘要
鲜水河断裂是中国地震活动最为频繁的深大断裂之一,磨西断裂为其南延段,区内水热活动强烈,地壳活动信息蕴藏干水热活动之中。本文沿着磨西断裂(康定→磨西→湾东→石棉)采集活动带内典型热水,对其水文地球化学特征进行分析:通过Na-K-Mg平衡图解,结合水的电离、矿物稳定的温度效应解释热水水岩平衡状态;采用传统地热温标法结合热水焓、氯关系对热水冷却途径、混合特征进行分析。研究亦引入热水短周期信息固体潮响应特征分析,并构建此断裂带水热活动地热地质空间模型。研究认为康定灌顶为水热系统中心,向南水热活动减弱,边界位于石棉草科附近;热水被深部热源加热,喜山期花岗岩为主热储层;南面温泉普遍具有被二叠系结晶灰岩作为次热储层中的热水混合的特征。研究是对磨西断裂水热活动系统研究的深化,也是新方法的探索。其中热水短周期信获取容易,监测灵活,是未来研究深部地质环境信息研究的关键技术之一。
The Xianshuihe fault with frequent earthquakes activities is the regional deep fault in China.The Moxi fault is located in the southern extension of the Xianshuihe fault where the intensive hydro-thermal activities implying abundant information of deep crust.In this contribution,the hydro-geochemistry of the typical thermal springs were examined along the Moxi fault(direction as the Kangding→Moxi→Wandong→Shimian).The state of water-rock equilibrium are explained by the Na-K-Mg equilibrium diagram together with the ionization of water and stable temperatures of minerals.Traditional geothermometers,combined with the relationship between the enthalpy and chlorine of thermal water,are used to analyze the cooling approaches and the mixture of thermal water.Moreover,the responses to the short cyclic solid tide are constrained for proposing the geological space model of the hydrothermal activities of the fault.The Guanding in Kangding and Shimian in Caoke are considered as the center and margin of the hydro-thermal system,respectively,which perform the southward decrease of hydrothermal activities.Thermal water are heated by the deep heat source of the Himalayan granites(the main heat reservoir),while the thermal springs in the south perform the mixture of thermal water in the sub-reservoir of the Permian crystalline limestones.The research for the system of hydrothermal activities in the Moxi fault are deepen and explored as a new method.Meanwhile,the cyclic information of thermal water,achieved conveniently and observed flexibly,is the key for solving the geological data from the deep earth.
The Xianshuihe fault with frequent earthquakes activities is the regional deep fault in China.The Moxi fault is located in the southern extension of the Xianshuihe fault where the intensive hydro-thermal activities implying abundant information of deep crust.In this contribution,the hydro-geochemistry of the typical thermal springs were examined along the Moxi fault(direction as the Kangding→Moxi→Wandong→Shimian).The state of water-rock equilibrium are explained by the Na-K-Mg equilibrium diagram together with the ionization of water and stable temperatures of minerals.Traditional geothermometers,combined with the relationship between the enthalpy and chlorine of thermal water,are used to analyze the cooling approaches and the mixture of thermal water.Moreover,the responses to the short cyclic solid tide are constrained for proposing the geological space model of the hydrothermal activities of the fault.The Guanding in Kangding and Shimian in Caoke are considered as the center and margin of the hydro-thermal system,respectively,which perform the southward decrease of hydrothermal activities.Thermal water are heated by the deep heat source of the Himalayan granites(the main heat reservoir),while the thermal springs in the south perform the mixture of thermal water in the sub-reservoir of the Permian crystalline limestones.The research for the system of hydrothermal activities in the Moxi fault are deepen and explored as a new method.Meanwhile,the cyclic information of thermal water,achieved conveniently and observed flexibly,is the key for solving the geological data from the deep earth.
引文
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[2]何京生,赵友年,赖绍民.四JlI省地下热水点的分布与挽近构造体系的关系[J].水文地质工程地质,1982,6:17.He Jingsheng,Zhao Younian,Lai Shaomin.The relationgship between the distribution of geothermal point and neoid tectonostructural system in Sichuan Province[J].Hydrogeology and Engineering Geology,1982,6:17.
[3]赵庆生.鲜水河断裂带热水水文地球化学特征及形成模式[J].成都理工大学学报,1984,2:77-88.Zhao Qingsheng.The hydrogeochemical characteristics and forming model of hot water in the Xianshuihe fracture zone[J].Journal of Chengdu University of Scinece and Technology,1984,2:77-88.
[4]杨立峥,卫迦,孙晋玉.四川康定温泉系统深源CO_2释放研究[J].地质学报,1999,73(3):278-285.Yang Lizheng,Wei Jia,Sun Jinyu.A study of deep-source CO_2 relese of the hot springs system in Kangding,Sichuan Province[J].Acta Geological Sinica,1999,73(3):278-285.
[5]周晓成.汶川Ms8.0地震后川西地区气体地球化学[D].中国科技大学,2015.Zhou Xiaocheng.Gas geochemitey in western Sichuan related to 12 May 2008 Wenchuan Ms8.0 earthquake[D].University of Scinece and Technology of China,2015.
[6]车用太,鱼金子.井水温度观测中有待解决的若干基本问题[J].中围地震,201 3,29(3):306-315.Che Yongtai,Yu Jinzi.Some basic problems in well water temperature observation[J].Earthquake Reseerch in China,2013,29(3):306-315.
[7]Furuya I,Shimamura H.Groundwater microtemperature and strain[J].Geophys,1988,94:345-353.
[8]马玉川.井水温度潮汐效应及其应变响应能力研究[D].中国地震局地壳应力研究所,2010.Ma Yuchuan.A study of tidal phase effect and strain response capability in wells water temperature[D].The Institute of Crustal Dynamics,China earthquake administration,2010.
[9]Lu G.,Liu R.Aqueous chemistry of typical geothermal springs with deep faults in Xinyi and Fengshun in Gunangdong Province,China[J].Journal of Earth Science,2015,26(1):60-72.
[10]周荣军,何玉林,黄祖智,等.鲜水河断裂带乾宁—康定段的滑动速率与强震复发间隔[J].地震学报,2001,23(3):250-261.Zhou Rongjun,He Yulin,Huang Zuzhi,et al.The slip rate and strong earthquake recurrence interval on the QianningKangding segment of the Xianshuihe fault zone[J].Acta Seismologica Sinica,2001,23(3):250-261.
[11]Giggenbach W F.Geothermal solute equilbrian.Derivation of Na-K-Mg-Ca geoindicator[J].Geochim.Cosmocim.Acta.,1988,52:2749-2765.
[12]Fournier R O,Trusesdell A H.An empirical Na-K Ca geothermometer for natural waters[J].Geochim.Cosmochim.Acta.,1973,37:515-525.
[13]Tonai F.Some remarks on the application of geochemical techniques in geothermal exploration[C].In:Proc Adv.Eur.Geoth.Res.Second Symp.,Strasbourg,1980,428-443.
[14]Guo Q,Wang Y.Geochemistry of hot springs in the Tengchong hydrothermal areas,Southwestern China[J].Journal of Volcanology and Geothermal Research,2012,215-216:61-73.
[15]Fournier R O,Rowe J J.Estimation of underground temperature from the silica content of water from hot springs and wet steam wells[J].Amer.J.Sci.,1966,264:685-697.
[16]Fournier,R.O,庞忠和.地热化学温标:地下水中Na-K-Mg关系解析[J].国外地质,1991,(5):34-37.Fournier R O,Pang Zhonghe.Geothermal chemical temperature scale:analysis of the relationship of Na-K-Mg in groundwater[J].Foreign Geology,1991,(5):34-37.
[17]Truesdal A H,Fourier R O.Calcualtion of deep temperature in geothermal systems from the chemistry of boiling spring waters of mixed origin[C].In:Proc.U.N.Symp.on the Development and Use of Geothermal Resources,San Francisco,1975,1:837-844.
[18]中国科学院高原科学考察队.西藏地热[M].北京:科学出版社,1981.Tibetan Plateau comprehensive scientific expedition,Chinese Academy of Sciences.Geothermal beneath Xizang(Tibetan)Plateau[M].Beijing:Science Press,1981.
[19]朱炳球,朱立新,史长义,等.地热田地球化学勘查[M].北京:地质出版社,1992.Zhu Bingqiu,Zhu Lixin,Shi Changyi,et al.Geochemical prospection of geothermal field[M].Beijing:Geological Publising House,1992.
[20]刘英俊,曹励明,李兆麟,等.元素地球化学[M].北京:科学出版社,1984.Liu Yingjun,Cao Liming,Li Zhaolin,et al.Element Geochemistry[M].Beijing:Science Press,1984.