Abstract：The extensional tectonics in upper crust in the north Mid-Hebeidepression is one of the tectonics styles which created faulted-basins.Itis a huge "broom-like" extensional tectonics dominated by tho Daxinglistric fault,which is intersected in an acute angle by the Niudongfault.It underwent the evolution periods:(1)the upthrown side of theDaxing fault moved along decouplng surface to create a huge half graben一like basin，and(2)the upthrown side still moved,revolved and tilted tobecome the Niutouzhen uplift,which divides the huge half graben-likebasin into the Langgu depression and the Baxian depression which aredifferent from each other in evolution history and geological structure.The study of extensional tectonics is of great significance to both ener-gy resource geology and catastrophic geology.
谭试典, 王冰. 冀中拗陷北部伸展构造样式[J]. 石油地球物理勘探, 1990, 25(4): 487-494.
Tan Shidian, Wang Bing. Extensional tectonics style in north partof the Mid-Hebei depression. OGP, 1990, 25(4): 487-494.
