学科：构造地质学 词目：断弯褶皱 英文：fault bend fold 释文：断弯褶皱是逆冲岩席在爬升断坡时形成的褶皱。褶皱形态为两翼呈膝折形式的箱状背斜或宽缓的背斜，轴面在褶皱发展过程有迁移。
断弯褶皱和断展褶皱是前陆冲断带中的两种典型构造形式。
Fault-bend folds and fault-propagation folds are typical structural styles in the foreland thrust belts.
研究区构造应力场主要为挤压应力场，区内主要形成褶皱、断弯褶皱、断展褶皱、叠瓦逆冲构造、冲起构造和逆冲三角构造等构造样式。
The stress fields are compression ones, in that conditions, the structure styles are folds, Fault-bend folds, Fault-Propagation folds, Detachment folds, imbrications-thrust faults and so on.
从构造几何学分析来看，乌夏断裂带发育12种主要的构造样式类型，其中断层相关褶皱类型以纵弯背斜、断展背斜及其生长类型为主。
From structural geometry, Wuxia fault belt developed twelve structural styles, among them fault-propagation folds and buckle-propagation anticline are the most important.
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