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    福州地区地热资源成生规律及潜在地热异常远景区分析

    Generation rule of geothermal resources in Fuzhou and analysis of potential geothermal anomaly areas

    • 摘要: 在对福州地区各地热异常区综合地质调查的基础上,首次综合分析各地热田的出露条件与地形特征、区域岩性结构、区域断裂构造、区域地壳结构与地球物理特征、地下热水循环深度与热储温度、水文地球化学特征等。福州地区NE、NNE向断层与NW、NWW向断层交汇的盆地、溪谷等低洼区域,且地下水具有高含量F-、SO2-4 、SiO2和Sr的区域为潜在地热异常远景区。这些认识可为福州地区查找新的潜在地热异常区提供参考。

       

      Abstract: Based on systematic geological investigation in potential geothermal anomalous areas in Fuzhou, this paper first carried out comprehensively study of geothermal fields’ topographic characteristics, lithology, faults, crustal architecture and geophysics, depth of hot groundwater circulation, temperature of the reservoir and hydro-geochemical characteristics, etc. It can be concluded that the low-lying areas, such as basins and valleys where NE-and NEE-trending faults intersect and where the concentrations of F-, SO2-4, SiO2 and Sr are quite high in groundwater, are the potential prospective areas for geothermal resources. The knowledge can provide valuable information for seeking new potential geothermal anomaly areas in Fuzhou.

       

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