The Research For The Geophysical Field Characteristics And Metallogenic Regularity In The Eastern Of Jiangxi

In this paper, the author gets the cross-sectional plane contour map based on aviation magneticmeasurement of an area of30,000square kilometers of Jiangxi eastern region analyze and interpretation.The first part of the paper briefly describes the application status of the aeromagnetic survey, researchsignificance and some of the key problems.For the process of the data conversion, I introduced the Regional anomalies and local anomalyseparation method and analyze the matched filtering method, the difference method and the waveletmulti-scale transformation method by different methods then based on the aeromagnetic survey method,for potential field transformation method for gravity and magnetic data.(Magnetic anomaly△Tmodulus,△Tthree components of the abnormal conversion, the direction of the derivative andgradient).Besides it is also briefly introduced the principle and characteristics of2.5D and3D inversiontechnique. In the course of the study, in particular, by using the3D property inversion technologyadvanced, in the assessment of qualitative explanation and quantitative requirements, the use ofinteractive interpretation technique, virtual structure caused by a magnetic body3D spatial anomaly,provide important help to shape inversion interpretation and magnetic ore body aircraft magneticanomaly.Based on the numerical analysis and the previous, using aeromagnetic technique for mineralresources distribution of the middle part of Jiangxi Province are summarized. According to thegeological and geophysical field features of metallogenic regularity, mapping the abnormal areas ofJiangxi Province in the Middle East magnetization intensity. Due to the data collected in the earlier time,technical level is limited, the author argues that the value of further development, and furtherprospecting technique in geological metallogenic theory and guidance, use new interpretation technique,advanced processing software for further study of early aeromagnetic data, first found in the northwestis the two basic characteristics of complex magnetic field by the stable block-the Yangtze paraplatformreflect magnetic stationary field and southeastern complex fold belt-Southern China Caledonian foldbelt of long-term activity generated, then the study area are fine out of the five magnetic anomaly area, a detailed analysis of the characteristics of geological structure reflects the five geological area andexplain, also according to the magnetic field on the southeast area is divided into seven local anomalyinterpretation, analysis and magnetic screen out interesting anomaly and the3D inversion. In general, indelineating mineralization favorable areas for the purpose have field analysis in the middle of the circlefour metallogenic areas.