甘肃省永登县河桥镇一带地热远景分析
|
摘要
永登县河桥镇位于兰州—民和盆地西北缘永登坳陷。该地区已开展较多的地质调查、物探、钻探等工作,基本查明了区域地层及构造。区内断层发育,基底存在多个凸起及凹陷;断层作为区内最主要控制构造,兼具导水贮水导热多项功能,凸起及凹陷具有较好的导热和贮水性能。目前河桥镇周边已发现药水沟、龙王沟、观音寺等多个地热异常点,而推测成热条件较好的马莲滩凹陷已实施地热钻一眼并成功出水,表明区域具备良好的层状地热形成条件,尤其在蒋家坪凹陷一带具有较好的地热资源勘查前景。
The Heqiao town of Yongdeng county is located in the northwest margin of the Yongdeng depression, which is belong to the Minhe basin of Lanzhou. The regional strata and structures have been basically identified through methods of geological surveys, geophysical prospecting and drilling. There are a lot of faults developed in this studied area while many salients and concaves are located in the basement. Faults, the main control structures, have the functions of water conductivity, water storage and thermal conductivity. Meanwhile,the salients and concaves have good properties of thermal conductivity and water storage. Several geothermal abnormal points have been discovered around the Heqiao Town, such as Yaoshui Ditch, Longwang Ditch and Guanyin Temple. One geothermal drilling has been carried out in Maliantan concave with better thermal conditions and water has been successfully produced, which suggests that there are good conditions for the formation of stratiform geotherm and bright prospect of geothermal resource prospecting especially in Jiangjiaping concave.
The Heqiao town of Yongdeng county is located in the northwest margin of the Yongdeng depression, which is belong to the Minhe basin of Lanzhou. The regional strata and structures have been basically identified through methods of geological surveys, geophysical prospecting and drilling. There are a lot of faults developed in this studied area while many salients and concaves are located in the basement. Faults, the main control structures, have the functions of water conductivity, water storage and thermal conductivity. Meanwhile,the salients and concaves have good properties of thermal conductivity and water storage. Several geothermal abnormal points have been discovered around the Heqiao Town, such as Yaoshui Ditch, Longwang Ditch and Guanyin Temple. One geothermal drilling has been carried out in Maliantan concave with better thermal conditions and water has been successfully produced, which suggests that there are good conditions for the formation of stratiform geotherm and bright prospect of geothermal resource prospecting especially in Jiangjiaping concave.
引文
[1]李百祥,俞有峰,宣世进,等.永登县药水沟—红门寺地热资源综合勘查评价[J].甘肃地质学报,2003(1):85-91
[2]郑希民,王多云,李凤杰,等.兰州—民和盆地地下热水资源潜力评估[J].甘肃地质学报,2003(2):80-85
[3]安永康,孙知新,李百祥.甘肃省地热资源分布特征、开发现状与前景[J].甘肃地质学报,2005(2):70-75
[4]郑希民,王多云,李凤杰,等.兰州—民和断陷盆地地热地质条件分析及热储概念模型[J].西北地震学报,2003(3):215-220
[5]赵聚林,陈志辉,胡文贤.论甘肃中东部地热资源[J].甘肃地质学报,2002(2):75-80
[6]邱爱美,李百祥.甘肃省地温场特征及地热资源分布类型[J].甘肃地质学报,2009(2):58-62
[7]张子祥,李文鑫.兰州市永登县地热水成因模式和地质模式[J].地质科技情报,2015(2):194-220
(1)甘肃省地矿局第二地勘院,兰州地热资源勘查报告(内部资料),2002
(1)甘肃有色金属地质研究所,甘肃省永登县龙王沟地下热水普查报告(内部资料),2005
(1)甘肃地矿局水文二队,兰州市永登县药水沟地下热水调查简报(内部资料),1974
(1)甘肃省地矿局第二地勘院,兰州地热资源勘查报告(内部资料),2002
[2]郑希民,王多云,李凤杰,等.兰州—民和盆地地下热水资源潜力评估[J].甘肃地质学报,2003(2):80-85
[3]安永康,孙知新,李百祥.甘肃省地热资源分布特征、开发现状与前景[J].甘肃地质学报,2005(2):70-75
[4]郑希民,王多云,李凤杰,等.兰州—民和断陷盆地地热地质条件分析及热储概念模型[J].西北地震学报,2003(3):215-220
[5]赵聚林,陈志辉,胡文贤.论甘肃中东部地热资源[J].甘肃地质学报,2002(2):75-80
[6]邱爱美,李百祥.甘肃省地温场特征及地热资源分布类型[J].甘肃地质学报,2009(2):58-62
[7]张子祥,李文鑫.兰州市永登县地热水成因模式和地质模式[J].地质科技情报,2015(2):194-220
(1)甘肃省地矿局第二地勘院,兰州地热资源勘查报告(内部资料),2002
(1)甘肃有色金属地质研究所,甘肃省永登县龙王沟地下热水普查报告(内部资料),2005
(1)甘肃地矿局水文二队,兰州市永登县药水沟地下热水调查简报(内部资料),1974
(1)甘肃省地矿局第二地勘院,兰州地热资源勘查报告(内部资料),2002