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物探与化探  2021, Vol. 45 Issue (2): 301-307    DOI: 10.11720/wtyht.2021.1260
  地质调查·资源勘查 本期目录 | 过刊浏览 | 高级检索 |
山东齐河—禹城地区重磁场特征及找矿预测
周明磊1,2,3(), 汝亮1,2,3, 朱裕振1,2,3, 于长春4(), 吴成平4, 高志军1,2,3, 张文艳1,2,3, 邵玉宝1,2,3
1.山东省煤田地质规划勘察研究院,山东 济南 250104
2.中国地球物理学会 煤田地球物理重点实验,山东 济南 250104
3.山东省煤炭资源数字化工程技术研究中心,山东 济南 250104
4.中国自然资源航空物探遥感中心,北京 100083
Magnetic field characteristics and ore prediction in Qihe-Yucheng area of Shandong Province
ZHOU Ming-Lei1,2,3(), RU Liang1,2,3, ZHU Yu-Zhen1,2,3, YU Chang-Chun4(), WU Cheng-Ping4, GAO Zhi-Jun1,2,3, ZHANG Wen-Yan1,2,3, SHAO Yu-Bao1,2,3
1. Shandong Province Research Institute of Coal Geology Planning and Exploration, Jinan 250104,China
2. Key Laboratory of Coal Geophysics, Chinese Geophysical Society, Jinan 250104,China
3. Engineering Technology Research Center on Coal Resources Informatization of Shandong Province, Jinan 250104 China
4. China Aero Geophysical Survey and Remote Sensing Center for Natural Resources,Beijing 100083,China
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摘要 

齐河—禹城地区已钻探见富铁矿深度748~1 542 m,第四系覆盖厚度超过500 m,富铁矿体地球物理场信息弱,找矿难度大。为了进一步缩小找矿靶区,为钻孔部署提供依据,通过研究矿致异常的航空和地面重磁异常特征,利用化极、垂向导数、总梯度模等方法,提取富铁矿直接找矿信息,建立了本区地球物理找矿标志,确定了7处重点勘查区。本项研究成果为齐河—禹城地区后续找矿工作部署提供了重要依据。

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周明磊
汝亮
朱裕振
于长春
吴成平
高志军
张文艳
邵玉宝
关键词 富铁矿齐河地区重磁方法找矿靶区    
Abstract

Rich iron ore has been drilled in the depth from 748 m to 1 542 m in Qihe-Yucheng area. As the Quaternary sediments cover more than 500 m in thickness, the geophysical field information of the rich iron ore is weak and hence the prospecting is difficult. By studying airborne and ground gravity and magnetic anomaly characteristics of mineralization anomaly and using methods such as reduction to the pole, vertical derivative and total gradient module, the authors further reduced the prospecting target and provided a basis for the drilling work. The authors extracted the direct prospecting information of rich iron ore, established the geophysical prospecting signs of this area and delineated 7 key exploration areas. The results of this research provide an important basis for the subsequent deployment of prospecting work in Qihe-Yucheng area.

Key wordshigh-grade iron ore    Qihe area    magnetic and gravity method    prospecting target area
收稿日期: 2020-05-19      修回日期: 2020-11-30      出版日期: 2021-04-20
ZTFLH:  P631  
基金资助:国家重点研发计划项目“综合航空地球物理探测系统集成与方法技术示范研究”(2017YFC0602201);山东省煤田地质局科研专项奖励基金项目(鲁煤地科字20192号)
通讯作者: 于长春
作者简介: 周明磊(1962-),男,研究员,主要从事地球物理新技术新方法的应用与研究工作。Email: Zml426@163.com
引用本文:   
周明磊, 汝亮, 朱裕振, 于长春, 吴成平, 高志军, 张文艳, 邵玉宝. 山东齐河—禹城地区重磁场特征及找矿预测[J]. 物探与化探, 2021, 45(2): 301-307.
ZHOU Ming-Lei, RU Liang, ZHU Yu-Zhen, YU Chang-Chun, WU Cheng-Ping, GAO Zhi-Jun, ZHANG Wen-Yan, SHAO Yu-Bao. Magnetic field characteristics and ore prediction in Qihe-Yucheng area of Shandong Province. Geophysical and Geochemical Exploration, 2021, 45(2): 301-307.
链接本文:  
https://www.wutanyuhuatan.com/CN/10.11720/wtyht.2021.1260      或      https://www.wutanyuhuatan.com/CN/Y2021/V45/I2/301
Fig.1  齐河—禹城及周边地区区域构造[1]
Fig.2  航空重磁异常平面特征
a—航磁ΔT等值线;b—航磁ΔT化极等值线;c—航磁ΔT化极剩余磁异常等值线;d—剩余重力异常;e—航磁ΔT化极垂向一阶导数;f—剩余重力异常垂向一阶导数
Fig.3  高精度地磁异常等值线
a—ΔT化极等值线;b—ΔT化极剩余磁异常等值线;c—ΔT化极垂向一阶导数
Fig.4  HP5线重磁反演剖面
Fig.5  航磁ΔT化极总梯度模等值线
Fig.6  找矿靶区及重点勘查区
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