Satellite Gravity Anomaly Characters of Western China

Abstract

Abstract: Based on gravity field theory and the newest grace gravity model (GGM02C), the satellite gravity anomalies and characteristics in western China are presented, showing that the western China includes Xinjiang anomalous area and Qinghai-Tibet anomalous area. This paper focuses on the gravitational low belt in Tarim basin and the gravitational high and low belts in Tianshan Mountain. It is suggested that Tarim basin can be divided into two different anomaly areas by north latitude 40°, implying there exist different basement structures in southern and northern Tarim basin. Finally, it is concluded that there exist SN-strike structures in Tarim on the basis of the satellite gravity anomaly, and their dynamic sources are discussed.

Key words: China, west, gravity field model, satellite gravity, Tarim basin, SN-trend structure

CLC Number:

P631.14

JING Xiang-hui, CHENG Shun-you, XU Xiao-qiang, WANG Xiao-duo, QU Yan-wei, LU Xiao-fang. Satellite Gravity Anomaly Characters of Western China[J]. Xinjiang Petroleum Geology, 2009, 30(1): 61-64.

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Satellite Gravity Anomaly Characters of Western China

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