| 大地电磁测深法在福建漳州地热区的应用 |
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| 引用本文： | 吴广耀
,曾陆海.大地电磁测深法在福建漳州地热区的应用[J].地球科学,1988(3). |
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| 作者姓名： | 吴广耀 曾陆海 |
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| 作者单位： | China University of Geosciences，Wuhan 430074 |
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| 摘 要： | 为了研究漳州地区深部构造和热源条件,在天宝、漳州、龙海一线进行了大地电磁测深测量工作。通过对大地电磁测深结果的分析和解释,表明在漳州地区龙海—浮宫一带上地幔高导基底明显上隆,在壳内10—13km深处具有明显的高导层,地表覆盖层电阻率很低。根据这些情况并结合地质资料推断,这一带地下存在着温度较高的热源及地下水补给条件,在地下水深循环和热对流良好的断裂交汇区,有可能形成水温较高的地热田。
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| 关 键 词： | 大地电磁测深 壳内高导层 深循环 断裂交汇区 |
APPLICATION OF MAGNETOTELLURIC SOUNDING IN ZHANGZHOU GEOTHERMAL AREA IN FUJIAN |
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| Wu Guangyao Zeng Luhai.APPLICATION OF MAGNETOTELLURIC SOUNDING IN ZHANGZHOU GEOTHERMAL AREA IN FUJIAN[J].Earth Science-Journal of China University of Geosciences,1988(3). |
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| Authors: | Wu Guangyao Zeng Luhai |
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| Abstract: | Zhangzhou area is one of the most prospective geothermal areas in southeast China. In order to research its deep structure and heat source condition, magnetotelluric measurement has been performed along Tian-bao-Zhangzhou-Longhai line. Analysis and interpretation of magnetotelluric data shows obvious uplift upper mantle, distinct high conductive crustal layer in depth of 10-13 km and surface overburden layer with low resistivity in Long-hai-Fugong zone in Zhangzhou area. Based on magnetotelluric and geological data, the occurrence of subsurface heat source with higher temperature and good hydraulic recharging condition can be deduced. It also can be deduced that there are geothermal fields with higher temperature in fault crossing areas with deep circulation and good convective condition. |
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| Keywords: | magnetotelluric sounding high conductive crustal layer deep circulation fault crossing area |
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