叠瓦状断层(imbricate fault,imbricated fauh zone)指一系列产状相近的逆断层的组合型式。各断层的上盘依次相对上升,在剖面上呈屋顶盖瓦式或鳞片状而依次叠覆,故称叠瓦状断层,又称叠瓦构造。例如库博一俾斯麦科勒拉和巴布亚前陆褶皱带的叠瓦状构造。它是发生在基底断层之上的一种滑脱现象。
盆地中发育多种构造样式,主要有:叠瓦状冲断层、滚板构造、牵引褶皱、铲形正断层、滚动背斜、“垒一堑”构造等。
The structural style found in the basin includes imbricated thrust zone, trapdoor structure, drag fold, listric fault, rollover anticline, horst-graben structure and the like.
其构造类型主要为断层相关褶皱、叠瓦状构造及断层三角带。
The structural types mainly are fault-related folds, imbricate structure and fault delta zone.
由北向南分为前缘挤压滑脱构造带、斜歪倒转褶皱—逆冲断层带和逆冲推覆岩席及叠瓦状逆冲断层带。
From north to south, several tectonic belts can be distinguished: front compressive detachment belt, overturned thrusting belt, sheeted thrusting belt and imbricate thrusting belt.
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