Analysis on the Forming Conditions of Geothermal Resources in Damintun Sag, Liaoning Province
详细信息
- 责任者：Zhang Hongmei (Liaoning Institute of Geology and Mineral Resources ; Shenyang 110031 ; China)
- 刊名：Geology and Resources
- 出版年：2013
- 卷期：22(1)
- 关键词：地热资源 ; geothermal resources ; 辽宁 ; Liaoning Province
- 页码：p.25-29
- 图表：illus., 2 tables, 6 refs.
- 分类号：1005
- issnNo：ISSN1671-1947
- isbnNo：CN21-1458/P
摘要
The Damintun sag is a Cenozoic continental basin,whose geological settings such as stratigraphy,tectonics and magmatic rocks provide good conditions for conductive geotherm.The main heat source is the mantle.The sandy conglomerate layer of Shahejie formation serves as thermal reservoir,covered by Quaternary,Neogene Guantao and Minghuazhen formations and partly Paleogene Dongying formation.The basement faults and multi-staged secondary faults in the sag form good passageways for heat and water in the geothermal field.With Neogene average geothermal gradient of 2.9 ℃ /100 m and Paleogene of 3.18 ℃ /100 m,the underground hot water in certain depth can reach the expected temperature for exploitation of geotherm.
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