| 安徽长山地热初探 |
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| 引用本文： | 宁金野,徐洪苗.安徽长山地热初探[J].安徽地质,2008,18(2):124-128. |
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| 作者姓名： | 宁金野 徐洪苗 |
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| 作者单位： | 安徽工程勘察院,安徽,合肥,230011;安徽工程勘察院,安徽,合肥,230011 |
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| 摘 要： | 合肥盆地西界长山隆起，位于安徽省霍邱县西北。地壳减薄上地幔隆起是地热形成的地质背景，适当厚的高热阻盖层和高热导率的基底相配置是地热形成的基本原因。两条导水断裂是良好的导热通道，至使长山地热-400m地温达40℃以上，地温梯度达4．27℃／100m～5．46℃／100m，安徽长山地热是基底隆起聚热型，若科学合理勘探开发，将会给皖西地区带来十分可观的经济和社会效益，同时对省会经济圈建设和大别山地质公园旅游业发展意义重大。
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| 关 键 词： | 安徽长山地热 地壳减薄 基底隆起聚热 地温及地温梯度 热导率 热流 |
| 文章编号： | 1005-6157(2008)02-124-05 |
| 修稿时间： | 2007年11月28 |
INITIAL STUDY OF GEOTHERM IN CHANGSHAN, ANHUI |
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| NING Jin-ye,XU Hong-miao.INITIAL STUDY OF GEOTHERM IN CHANGSHAN, ANHUI[J].Geology of Anhui,2008,18(2):124-128. |
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| Authors: | NING Jin-ye XU Hong-miao |
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| Institution: | NING Jin-ye,XU Hong-miao(Anhui Institute of Engineering Reconnaissance,Hefei 230011,Anhui,China) |
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| Abstract: | The Changshan rise serving as the west border of the Hefei basin is situated in northwest of Huoqiu County, Anhui Province. Crust thinning and upper mantle rise are the context in which geotherm forms. High heat-isolation cover in proper thickness, paired with basement of high heat transmission, is the basic condition for geotherm to generate. Two water-transmission faults are good heat transmission channels, resulting in a temperature of more than 40℃ at -400m depth and geothermal gradient of 4.27 ℃/100m°′5.46℃/100m for the Changshan geotherm. This geotherm is basement uplift heat-trap type. Exploration and development in scientific and reasonable way will bring considerable economic and social benefits for the west Anhui area and be of great importance to construction of provincial capitalcentered economic circle and development of tourism based on the Dabie Mt geological park. |
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| Keywords: | Changshan geotherm Anhui crust thinning basement uplift heat trap geo-temperature and its gradient thermal conductivity heat flow |
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