| 新疆库车盆地富钾盐泉水化学特征与成钾显示 |
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| 引用本文： | 山俊杰,王明祥,李建森,山发寿,樊启顺,魏海成,秦占杰,袁秦,张湘如,李庆宽.新疆库车盆地富钾盐泉水化学特征与成钾显示[J].地质学报,2019,93(5):1180-1188. |
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| 作者姓名： | 山俊杰 王明祥 李建森 山发寿 樊启顺 魏海成 秦占杰 袁秦 张湘如 李庆宽 |
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| 作者单位： | 中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,西宁,810008;青海省盐湖地质与环境重点实验室,西宁,810008;中国科学院大学,北京,100049;中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,西宁,810008;青海省盐湖地质与环境重点实验室,西宁,810008 |
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| 基金项目： | 本文为国家自然科学青年基金项目（编号 41502096）、中国科学院青海盐湖研究所“一三五”突破项目资助成果。 |
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| 摘 要： | 库车盆地古近系—新近系发育一套巨厚的膏岩盐层,钻探勘查显示,在拜城凹陷南缘5100 m深古近系库姆格列木群地层中发现钾石盐矿物。本研究采集并分析了多件盐泉水化学组成,结果显示7件盐泉水矿化度在117.7～299.4 g/L之间,钾含量在15.25～45.68 g/L之间,明显富钾,是以往报道数据(低于1 g/L)的几十倍,属于新疆首次发现。根据水化学分类,富钾盐泉水以氯化物型水为主,是Ca-Cl型卤泉水;水化学特征系数表明泉水具有高K×10~3/Cl和nK/nBr值、低的nMg/nCl和Br×10~3/Cl值(nCl~-=nNa~++nK~+)特征。同时,盐泉水均落在25℃Na~+, K~+,Mg~(2+)//Cl~-,SO■-H_2O五元水盐体系钾石盐相区,说明盐泉水可能溶滤了地层中的钾石盐,且受强烈构造挤压,沿地层断裂带或裂隙通道出露地表。库车盆地富钾盐泉水的发现,是新疆库车盆地含盐系地层存在固体钾盐的初步证据,对钾盐勘查的重点远景区具有重要的指示意义。
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| 关 键 词： | 库车盆地 富钾盐泉水 水化学特征 成钾显示 |
| 收稿时间： | 2017/9/14 0:00:00 |
| 修稿时间： | 2018/3/14 0:00:00 |
Hydrochemical characteristics of potassium- rich saline spring and its implications for sylvine deposits in the Kuqa basin, Xinjiang |
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| SHAN Junjie,WANG Mingxiang,LI Jiansen,SHAN Fashou,FAN Qishun,WEI Haicheng,QIN Zhanjie,YUAN Qin,ZHANG Xiangru and LI Qingkuan.Hydrochemical characteristics of potassium- rich saline spring and its implications for sylvine deposits in the Kuqa basin, Xinjiang[J].Acta Geologica Sinica,2019,93(5):1180-1188. |
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| Authors: | SHAN Junjie WANG Mingxiang LI Jiansen SHAN Fashou FAN Qishun WEI Haicheng QIN Zhanjie YUAN Qin ZHANG Xiangru and LI Qingkuan |
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| Institution: | 1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008;3) University of Chinese Academy of Sciences, Beijing, 100049,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008;3) University of Chinese Academy of Sciences, Beijing, 100049,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008;3) University of Chinese Academy of Sciences, Beijing, 100049,1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008;3) University of Chinese Academy of Sciences, Beijing, 100049 and 1) Key Laboratory of Comprehensive and Highly Effcient Utilization of Salt Lake Resoures,Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008; 2) Key Laboratory of Salt Lake Geology and Environment of Qinghai Province, Xining, 810008;3) University of Chinese Academy of Sciences, Beijing, 100049 |
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| Abstract: | |
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| Keywords: | Kuqa basin potassium rich saline spring hydrochemical characteristics implication of sylvite deposits |
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