洛阳市龙门地热田成因及热源地质条件分析
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摘要
洛阳市盆地传导型和隆起山地对流型两种类型地热田以宜阳—偃师断层为分界线。NNW向的襄县—郏县断裂和鲁山—三门峡断裂之间的渑池—确山陷褶断束为一完整的地热系统,两大断裂为其控热断裂构造,与之平行的次级断裂和其它走向断裂为导热断裂构造。其以汝州温泉街、龙门伊河湿地和新安暖泉沟3处温泉的出露为特点,并于龙门西山双高地热井和伊川锦绣龙都地热井等水温异常井的发现为楔机,分析认为其热源很可能与汝阳—伊川一带新生代构造裂隙火山喷发活动有关,是其火山活动的深部余热热源。
The two types of geothermal fields in the convective type and the uplifted mountainous area of Luoyang City are divided into Yiyang-Yanshi fault. The Dianchi-Queshan depression to NNW is a complete geothermal system between the Xiangxian-Jiaxian fault and the Lushan-Sanmenxia fault, and the two major faults are their thermal-controlled fracture structures, and the secondary fractures and other strike faults parallel to them are thermally fractured structures. It is characterized by the exposure of three hot springs in Ruzhou Hot Spring Street, Longmen Yihe Wetland and Xin'an Warm Spring Ditch, and the water temperature anomaly wells such as the Longmen Xishan Double High Ground Hot Well and the Yichuan Jinxiu Longdu Geothermal Well are used as wedge machines. The analysis suggests that the heat source is likely to be related to the Cenozoic tectonic fissure volcanic eruption activity in the Ruyang-Yichuan area, and it is the deep residual heat source of its volcanic activity.
The two types of geothermal fields in the convective type and the uplifted mountainous area of Luoyang City are divided into Yiyang-Yanshi fault. The Dianchi-Queshan depression to NNW is a complete geothermal system between the Xiangxian-Jiaxian fault and the Lushan-Sanmenxia fault, and the two major faults are their thermal-controlled fracture structures, and the secondary fractures and other strike faults parallel to them are thermally fractured structures. It is characterized by the exposure of three hot springs in Ruzhou Hot Spring Street, Longmen Yihe Wetland and Xin'an Warm Spring Ditch, and the water temperature anomaly wells such as the Longmen Xishan Double High Ground Hot Well and the Yichuan Jinxiu Longdu Geothermal Well are used as wedge machines. The analysis suggests that the heat source is likely to be related to the Cenozoic tectonic fissure volcanic eruption activity in the Ruyang-Yichuan area, and it is the deep residual heat source of its volcanic activity.
引文
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