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《Chinese Journal of Geophysics》 2017-12
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Improvement and application of the layered separation method for gravity anomalies:An example of the Wuhe area,Anhui Province

GE Can;REN Sheng-Lian;LI Yong-Dong;SHI Yong-Hong;ZHANG Jin-Hui;LI Jia-Hao;YOU Miao;LI Long-Ming;ZHANG Yan;School of Resources and Environmental Engineer,Hefei University of Technology;Institute of Geophysics and Geomatics,China University of Geosciences;Institute of Geological Exploration Technology of Anhui Province;  
Based on original layered separation technology for potential fields,this paper proposes a dynamic improved interpolating cut operator for deeply layered separation.Model experiments and power spectral analysis have demonstrated that this operator has better separating effect to different abnormal sources than the previous operator.The improved operator has been applied to separation analysis of Bouguer gravity anomalies of the Wuhe area,Anhui Province.A good consistency between the characteristics of the separated geophysical field and the surface geology further indicates the effectiveness and accuracy of the improved operator.Combining geological data and the geophysical characteristics after separation permits to reveal the spatial distributionand morphological characteristics of the tectonic framework,regional magmatic rocks and red beds in the Wuhe area.New insights into the extension,shape and relationship of faults in the Tan-Lu fault system of the study area have been obtained.
【Fund】: 安徽省国土资源科技项目(2015-K-8);; 国家自然科学基金项目(41504042);; 大地测量与地球动力学国家重点实验室开放基金(SKLGED2015-4-3-E);; 合肥工业大学校博士专项科研资助基金(J2014HGBZ0174)联合资助
【CateGory Index】: P631.1
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【Citations】
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2 ZHANG Jian-tai;The Seventh Institute of Geology and mineral resources exploration in Shandong province;;Discussion on the geophysical characteristics of Kimberley rocks in Mengyin area[J];地球物理学进展;2017-06
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