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ZHUANG Dao-ze, ZHOU Jian-xing, LAN Xian, et al. Application Progress of High Precision Aero-Magnetic Survey of 1:50000 Scale in High-and-Cold and Dissected Mountain Regions in Xinjiang,China[J]. Northwestern Geology, 2010, 43(2): 128-134.
Citation: ZHUANG Dao-ze, ZHOU Jian-xing, LAN Xian, et al. Application Progress of High Precision Aero-Magnetic Survey of 1:50000 Scale in High-and-Cold and Dissected Mountain Regions in Xinjiang,China[J]. Northwestern Geology, 2010, 43(2): 128-134.

Application Progress of High Precision Aero-Magnetic Survey of 1:50000 Scale in High-and-Cold and Dissected Mountain Regions in Xinjiang,China

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  • Received Date: December 23, 2009
  • Revised Date: March 22, 2010
  • Published Date: June 04, 2010
  • Most of the west Tianshan and Kunlun-Aerjin mountains are high-and-cold regions,with greatly dissected land forms.The aero-magnetic survey of 1:1 000 000 scale has been finished and a great deal of magnetic anomalies obtained,showing that there is a good prospecting potential in mag netic deposits.But according to the Aero-magnetic survey specification,the flig htaltitude of aero-magnetic survey of 1:50 000 scale is less than 250 mabove the ground,which limitaero-magnetic survey of larger scale such as 1:50 000 to be executed.In order to promote the application of 1:50 000 aero-magnetics in these regions, first some direct problems were calculated according to classical deposit models of different depths and scales,and some practical survey were executed in 3 classicaliron deposits in differentaltitudes so that the results support the execution of 1:50000 aero-magnetics in these regions.The 1:50000 aero-magnetic survey were executed in 3 different geological,geophysical,and geography districts.The results show that there are clear magnetic field character istics,lower backg round changes,and obvious local anomalies under the high magnetic survey precision.

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