Aeromagnetic Anomaly Characteristics and Prospecting Potential of the Gushanzi Area in Eastern Heibei Province
详细信息
- 责任者：Fan Zhengguo (China Aero Geophysical Survey and Remote Sensing Center for Land and Resoures ; Beijing 100083 ; China) ; Huang Xuzhao
- 刊名：Geology and Prospecting
- 出版年：2012
- 卷期：50(4)
- 关键词：航磁异常 ; aeromagnetic anomaly ; 铁矿 ; iron ores ; 河北 ; Hebei Province
- 页码：p.750-759
- 图表：2 illus., 2 tables, 20 refs.
- 分类号：1600
- issnNo：ISSN0495-5331
- isbnNo：CN11-2043/P
摘要
The aeromagnetic anomaly in the Gushanzi area is one of the three major aeromagnetic anomalies in eastern Hebei Province,which is located in the Shirengou-Bancheng iron ore concentration area.Studies of its geological structure,physical properties of rocks and ores,as well as its gravitational and aeromagnetic anomalies suggest that the Gushanzi mafic-ultrabasic intrusive complex and shallow ultra-low-grade magnetite ore are not completely responsible for this aeromagnetic anomaly.The results of 2.5D quantitative calculation and resource estimation indicate that the Gushanzi aeromagnetic anomaly may imply a promising potential for iron ore.And through interpretation of the Gushanzi aeromagnetic anomaly,this paper summarizes the ideas and methods of reducing ambiguity in interpretation of aeromagnetic anomalies.
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