GRAVITY AND MAGNETIC DATA USED TO INTERPRET THE FRACTURE FRAMEWORK IN NORTHERN ANHUI
WANG Qi-nian;ZHU Jiang-bo;FANG Wen;ZHAO Bao-feng;Institute of Exploration Technology;
The northern Anhui area is located on the southern margin of the North China landmass, with widespread Quaternary overburden, which thus constrains the degree of geological research. Based on geological and physical property data, processing and analysis of 1:200000 gravity and magnetic data, this paper has interpreted main fracture frameworks in the area, and argued that NNE, NWW and nearly EW faults dominate in the area, and an arc fault is developed from Xuzhou to Suzhou, of which NWW faults developed earlier, the nearly EW followed, and NNE formed relatively latest, and the late faults offset the early ones.
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