首页|综合地球物理方法在Ⅱ-3型地热勘查中的应用:以青海同仁盆地为例

综合地球物理方法在Ⅱ-3型地热勘查中的应用:以青海同仁盆地为例

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地热能是清洁能源勘探开发利用的焦点.选择青海同仁盆地开展地热物探勘查实践.首先以1:5万地面高精度磁测资料为基础,结合区域地质资料划分断裂构造、隐伏岩体范围,圈定地热异常靶区.对其中的M3靶区进行了大比例尺地球物理探测和钻探查证.通过地球物理方法组合(主要利用微动探测法并在电磁干扰较小的地段补充可控源音频大地电磁法),基本查明了同仁盆地地热勘查类型为兼有层状热储和带状热储特征、彼此存在成生关系、地质构造条件比较复杂的Ⅱ-3型,为后续在该区开展地热资源勘查指明了方向.
Application of Integrated Geophysical Methods in Type Ⅱ-3 Geothermal Exploration:An Example of Tongren Basin in Qinghai Province
Geothermal energy is the focus of clean energy exploration,development and utilization.The Tongren Basin in Qinghai Province was selected for geothermal geophysical exploration practice.Firstly,based on the 1:50 000 high-precision magnetic survey data,combined with regional geological data,the range of fault structures and hidden rock masses was divided,and the geothermal anomaly target area was delineated.Through the combination of geophysical methods,mainly using micro motion detection method and supplementing controllable source audio magnetotelluric method in areas with low electromagnetic interference,it has been basically de-termined that the geothermal exploration type in Tongren Basin is type Ⅱ-3,which has both layered and banded thermal storage charac-teristics,mutual generation relationship,and relatively complex geological and structural conditions.The research has pointed out the direction for subsequent geothermal resource exploration in the area.

the microtremor survey method(MSM)controllable source audio magnetic technique(CSAMT)high-accuracy ground magnetic surveygeothermalTongren Basin

何胜、汪万录、赵文强、潘军

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青海省环境地质勘查局,西宁 810008

青海省环境地质重点实验室,西宁 810008

东华理工大学水资源与环境工程学院,南昌 330013

青海九零六工程勘察设计院有限责任公司,西宁 810007

中国地质调查局西宁自然资源综合调查中心,西宁 810021

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微动探测法 可控源音频大地电磁法 地面高精度磁法 地热 同仁盆地

青海省清洁能源矿产专项(2021)青海省环境地质重点实验室奖励专项(2022)中国地调局地质调查项目青海九零六工程勘察设计院有限责任公司科技项目

青自然资[2021]114号XZD2022WT12-082023-KJ-04

2024

10.12404/j.issn.1671-1815.2302556

科学技术与工程
中国技术经济学会

科学技术与工程

CSTPCD北大核心
影响因子：0.338
ISSN：1671-1815
年,卷(期)：2024.24(9)
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