| 广域电磁法在郑州地区深部地热资源勘查中的应用 |
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| 引用本文： | 邵炳松.广域电磁法在郑州地区深部地热资源勘查中的应用[J].地质与勘探,2023,59(2):316-327. |
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| 作者姓名： | 邵炳松 |
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| 作者单位： | 天津地热勘查开发设计院，天津； 河南省地质调查院，河南郑州； 河南省地质科学研究所，河南郑州 |
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| 基金项目： | 郑州市财政项目“郑州市多要素城市地质调查2020年第二批项目（B包）”（编号：郑财招标采
购-2020-439）资助 |
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| 摘 要： | 应用广域电磁法对郑州地区深部寒武-奥陶系岩溶型热储进行探测研究，共布设了4条NNE向广域电磁测深剖面，获得了415个测深点。通过对广域电磁测深数据的处理、分析和反演，获得了研究区内4000 m以浅的二维电性结构模型。综合区域地质资料，地层由新到老依次划分为第四系-新近系、三叠系、二叠系-石炭系、奥陶系-寒武系、元古界。推断了新郑-太康断裂、大隗镇断裂、张庄断裂、推断断裂F4和李粮店断裂的位置、产状等信息。其中，新郑-太康断裂为新郑凸起与薛店-尉氏南次凹带的分界断裂，控制了三叠系沉积。基于地层和断裂分布特征，推断了7个深部寒武-奥陶系岩溶型热储的有利部位，认为位于新郑-太康断裂的DR1热储部位成热条件最好。
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| 关 键 词： | 广域电磁法 新郑凸起 新郑-太康断裂 地热资源 郑州 |
| 收稿时间： | 2022/4/3 0:00:00 |
| 修稿时间： | 2022/10/20 0:00:00 |
The application of wide field electromagnetic method to deep geothermal resources exploration in Zhengzhou area |
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| Shao Bingson.The application of wide field electromagnetic method to deep geothermal resources exploration in Zhengzhou area[J].Geology and Prospecting,2023,59(2):316-327. |
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| Authors: | Shao Bingson |
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| Institution: | Tianjin Geothermal Exploration and Developement-Designing Institute, Tianjin; Henan Institute of Geological Survey, Zhengzhou, Henan; Henan Institute of Geological Sciences, Zhengzhou, Henan |
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| Abstract: | The wide field electromagnetic method was used to detect and study the deep Cambrian-Ordovician karst heat storage in Zhengzhou area. A total of four NNE-trending wide field electromagnetic sounding profiles were set up, and 415 sounding points were obtained. Through the processing, analysis and inversion of the wide field electromagnetic sounding data, a two-dimensional electrical structure model with a depth of 4000 m in the study area was obtained. Based on regional geological data, the strata are divided into Quaternary-Neogene, Triassic, Permian-Carboniferous, Ordovician-Cambrian, and Proterozoic from top to bottom. The location and occurrence of the Xinzheng-Taikang fault, Daweiizhen fault, Zhangzhuang fault, the inferred faults F4 and the Liliangdian fault were inferred. Among them, the Xinzheng-Taikang fault is the boundary fault between the Xinzheng uplift and the Xuedian-Weishi southern sub-sag belt, which controls the Triassic deposition. Based on the characteristics of strata and fault distribution, seven favorable locations of deep Cambrian-Ordovician karst heat storage were inferred. It is considered that the DR1 thermal reservoir position located in Xinzheng-Taikang fault has the best thermal conditions. |
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| Keywords: | wide field electromagnetic method Xinzheng uplift Xinzheng-Taikang fault geothermal resources Zhengzhou |
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