| 地下水循环对围岩温度场的影响及地热资源形成分析——以平顶山矿区为例 |
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| 关键词:groundwater circulation wall-rock temperature field geothermal resources Pingdingshan mining field |
| 基金项目:国家自然科学基金，国土资源部科研项目 |
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| 摘要: |
| An Analysis of the Formation of Geothermal Resources and the Effects of Groundwater Circulation on the Wall Rock Temperature Field--Taking the Pingdingshan Mining Field as an Example |
| Different ways of groundwater circulation exert different effects on wall-rock temperature field.When low-temperature groundwater moves downward, wall-rock temperature may drop and low-temperature anomalies may occur,which hinders the formation of geothermal resource. On the other hand, deep circulating groundwater heated by rock temperature moves upward under certain geological conditions, causing local temperature rising of wall rock and the formation of geothermal anomalies at shallow depth and promoting the formation of geothermal resources. Therefore, the formation of geothermal resources is to some extent determined by the effects of groundwater circulation on wall-rock temperature field.Based on research into effects of groundwater circulation on wall-rock temperature field, this paper analyzes the formation of geothermal resources in the Pingdingshan mining field, forecasts temperature distribution of the geotemperature field in the area by using geochemical geothermometer and isotope method. The research methods may have theoretical and practical significance in analyzing the formation of geothermal resources in other areas. |
| ZHANG Fa-wang,WANG Gui-ling,HOU Xin-ling,LI Jian-hua,LI Yu-jing.2000.An Analysis of the Formation of Geothermal Resources and the Effects of Groundwater Circulation on the Wall Rock Temperature Field--Taking the Pingdingshan Mining Field as an Example[J].Acta Geoscientica Sinica,21(2):142-146. |
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