catch selvedge;groffer;frilling;fluting,puckeredselvedge; plait

everse fault thrusts are developed at one flank of each fold in a radiating pattern in the skirt-fringe fold belt of the Taihu Dome.

即当垂直构造力向上顶托形成隆起时，岩层沿下震旦统软弱层发生垂直半径方向的收缩，产生侧向挤压，形成穹窿褶边褶皱，并在褶皱陡翼产生逆－逆冲断层，组合成放射状构造。