Abstract:In present gravity exploration of overthrust nappe,people usually use gravity continuation method,forward gravity modelling method and integrated gravity-seismic interpretation method. These methods have their own merits and limitations respectively. In exploring the overthrust nappe in the west Shanganning basin,the integrated gravity -seismic interpretation method was used in the area where seismic data had been collected,while the gravity continuation method was used in the whole region,In the processing of gravity data in this region,the continuation formula in the form of Laplace series solution was used,by which less boun};ary loss and faster computation can be achi-eved. Furthermore,upward continuations with different grid spacings were made. The integrated analysis of the processed gravity data,geological data and other geophysical data in this region lead to the conelusion that the structure reflected by gravity anomaly at Majiatan section of the north overthrust nanne is the most favourable prospect in the region.
收稿日期: 1986-09-11
引用本文:
张军. 重力资料在分析陕甘宁盆地西部逆冲推覆构造中的应用[J]. 石油地球物理勘探, 1987, 22(5): 583-589.
Zhang Jun. The application of gravity data to the exploration of overthrust nappe in west Shanganning basin. OGP, 1987, 22(5): 583-589.