| 从地球物理场信息分析西宁盆地地热地质条件 |
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| 引用本文： | 王斌,何世豪,李百祥.从地球物理场信息分析西宁盆地地热地质条件[J].西北地震学报,2011,33(2):149-154,165. |
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| 作者姓名： | 王斌 何世豪 李百祥 |
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| 作者单位： | 1. 青海省水文地质工程地质环境地质调查院,青海西宁,810008
2. 甘肃省地矿局第二地质矿产勘查院,甘肃兰州,730020 |
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| 摘 要： | 在对西宁盆地进行可控源音频大地电磁测深(CSAMT)全面探测的基础上,结合以往重力、地震、大地电磁测深、直流电测深等物探资料综合解释,揭示了西宁盆地隆坳构造格局和盆地性状,据地温场分布特征探讨了热储类型,指出西宁盆地中西宁坳陷属张性、张扭性,具有地温场高、地温梯度大的特点,且热储类型具盆地传导兼断裂对流型特征;大通、平安坳陷属压性、压扭性坳陷,地温场、地温梯度相对较低,热储类型为盆地传导型.西宁断陷是地热开发有利地段.
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| 关 键 词： | 西宁盆地 地球物理场 可控源音频大地电磁测深 地热地质条件 断裂对流型 盆地传导型 |
Analysis on Geothermal Geological Condition of Xining Basin on the Basis of Characteristic of Geophysical Field |
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| WANG?Bin,HE?Shi-hao and LI?Bai-xiang.Analysis on Geothermal Geological Condition of Xining Basin on the Basis of Characteristic of Geophysical Field[J].Northwestern Seismological Journal,2011,33(2):149-154,165. |
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| Authors: | WANG?Bin HE?Shi-hao and LI?Bai-xiang |
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| Institution: | WANG Bin1,HE Shi-hao1,LI Bai-xiang2(1.Qinghai Provincial Institute of Environmental Geological Survey of Hydrogeology and Engineering Geology,Xining 810008,China,2.No.2 Geology Exploration Institute,Bureau of Geology and Mineral Resources of Gansu Province,Lanzhou 730020,China) |
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| Abstract: | Based on the comprehensive explanation of controllable source audio frequency geo-magnetic sounding and previous geophysical prospecting data as gravity,earthquake,geo-magnetic sounding and direct current electric sounding,the tectonic framework of uplift with depression and features of Xining basin are obtained.According to distribution character of geothermal field,the geothermal reservoir type of Xining basin is discussed.It is indicated that the Xining depression in Xining basin is extensional and trans... |
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| Keywords: | Xining basin Geophysical fields Controllable source audio frequency geo-magnetic sounding(CSAMT) Geothermal geological condition Fracture convection type Basin conduction type |
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