滑脱断层

江苏靖江&苏州地区侏罗山式褶皱及滑脱断层的研究

Studies on the jura type fold and the decollement fault in jingjiang suzhou area , Jiangsu Province

从几何学研究表明表层构造具有侏罗山式褶皱的特征，同时揭示其下必有滑脱断层的存在。

According to geometrical study , it shows that the surface geological structures in this area are characterized by the Jura-type fold and reveals that decollement fault is certain to be in existence beneath the structures .

不连接源岩的滑脱断层对油气聚散无作用；

Slippage faults that did not connect source rock have no effect to hydrocarbon accumulation and dissipation ;

主逆冲断层的下盘掩覆了酒泉盆地中、新生代前陆坳陷的一部分，发育了一受控于深部滑脱断层的断层传播褶皱。

Under the main thrust fault is a part of the Mesozoic and Cenozoic foreland depression of Jiuquan Basin .

断裂以逆断层和走滑断层为主，还有少量的同沉积正断层、滑脱断层、反转断层等。

The faults are mainly of reverse and strike slip faults , with a few synsedimentary normal , decollement and reversed faults .

滑脱断层在金矿成矿过程中是一个重要的控矿因素。

Discussing the effect of decollement fracture on gold mineralization , the authors consider that decollement fracture is a key ore control factor .

结果认为：形成滑脱断层需具备斜坡、塑性岩体和区域构造应力场3个基本条件；

The result is that , 3 basic conditions of slope , plastic rock and regional tectonic stress field were necessary for forming of detachment fault ;

形成拉伸盆地的大陆岩石圈伸展构造作用，一般认为是沿大型缓倾角正断层（滑脱断层）的剪切作用过程。

The extension of the continental lithosphere that gives rise to extensional basins is generally considered as a shear process on major , gently dipping normal fault .

众所周知，落基山山脚地带和前缘山岭的西倾叠瓦逆冲断层是以一底部断层或称底部滑脱断层为根的。

It is well known that the west-dipping thrust imbrications of the foothills belt and Front Ranges of the Rockies are rooted in a sole fault , decollement , or lower detachment .

在大陆拉伸构造区，各具功能的三组断层：伸展断层组、调整断层组、滑脱断层组，构成伸展链锁断层系，呈现出伸展构造的基本几何面貌。

In continental extensional tectonic areas , there are three sets of faults with their respective functions , extensional faults , adjustment faults and detachment faults , which form an extensional chain fault system and Show the basic geometric pattern of extensional structure .

每个背斜带又包含有若干逆冲断层相关褶皱，它们是断层转折褶皱、断层传播褶皱、滑脱褶皱、断层传播滑脱混生褶皱、双重逆冲构造、突发构造、三角带构造。

Each zone includes several thrusting related folds which are identified as fault bend folds , fault propagation folds , detachment folds , fault propagation detachment hybrid folds , duplex , pop ups and triangle zones .