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《Chinese Journal of Geophysics》 1995-S2
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MAGNETIC DATA INTERPRETATION OF THE CRUSTAL STRUCTURE OF THE GEOSCIENCE TRANSECTION FROM GOLMUD TO EJIN QI

YU QIN-FAN ; LOU HAI; HU ZHONG-DONG(China University of Geoscience, Beijing 100083)  
In the integration of geological and geophysical investigation of the Geoscience Transection from Golmud to EJin Qi and its adjacent area,we processed and analyzed a long highprecision ground magnetic profile,which we surveyed in 1992,and aeromagnetic data in a large area.The techniques that we employed during our investigation include apparent susceptibility mapping,extraction of long wavelength anomaly,directional filtering,inversion for the depths of upper and lower interfaces of magnetic basement,as well as digital image processing of the aeromagnetic data.Upon the results of processing,new geological views were presented about the locations of the main fault zones,the boundaries between different terrains and structural units,the boundary between the southern and northern continents,and the magmatic activities in the whole studied region.With a potential modeling method,we got a magnetic model,which represents the crustal structure along the GGT from Golmud to Ejin Qi.
【Fund】: 国家自然科学基金 地质矿产部重点资助
【CateGory Index】: P313
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