安徽省两淮地区重磁异常特征研究

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英文篇名：Study on characteristics of gravity and magnetic anomalies in Lianghuai region of Anhui Province 作者：朱建刚 ; 夏志刚 ; 张品刚 英文作者：Zhu Jiangang;Xia Zhigang;Zhang Pingang;Research Institute of Coalfield Geology Bureau of Anhui Province; 关键词：两淮地区 ; 重力异常 ; 航磁异常 ; 基底 英文关键词：Lianghuai area;;gravity anomaly;;aeromagnetic anomaly;;base 中文刊名：煤炭与化工 英文刊名：Coal and Chemical Industry 机构：安徽省煤田地质局勘查研究院; 出版日期：2019-08-26 出版单位：煤炭与化工 年：2019 期：08 语种：中文; 页：69-71+75 页数：4 CN：13-1416/TD ISSN：2095-5979 分类号：P631.2

摘要

根据安徽省重力异常和航磁异常平面特征,对两淮煤田的地球物理场特征进行了分析与探讨,分析了航磁和重力异常的平面特征和分区特征。研究结果表明,重磁异常的区域平面特征与平面地质构造特征相对应,区域性的航磁异常不仅反映了太古界磁性基底的现势展布,同时也反映了磁性基底断块的旋扭和平移特征,重力异常特征反映了中生带凹陷或断陷盆地内的松散沉积特征及基底的分布特征,与地层内密度变化关系密切相关。
        According to the gravity anomaly and aeromagnetic anomaly plane characteristics in Anhui Province, the geophysical field characteristics of the Lianghuai coalfield were analyzed and discussed. The plane characteristics and regional characteristics of aeromagnetic and gravity anomalies were analyzed. The results showed that the regional planar features corresponded to the planar geological structural features. The regional aeromagnetic anomalies not only reflected the current distribution of the magnetic basement of the boundary, but also reflect the twisting and translation characteristics of the magnetic basement fault block. The gravity anomaly characteristics reflected the loose sedimentary characteristics and the distribution characteristics of the basement in the Mesozoic zone depression or fault basin, which was closely related to the density variation in the stratum.

引文

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