鼻状构造（nosing structure）岩层受力扭曲，一端向下倾没，另一端抬起，是一种构造等高线不闭合的褶皱构造，形似人的鼻子，称鼻状构造，亦称半背斜。
... 崩积物 colluvial deposit 鼻状构造 nose structure 比较大地构造学 comparative tectonics ...
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... 滚动背斜(rollover anticline) 1.2.11鼻状构造(structural nose) 1.2.12断鼻构造(break structural nosef) ...
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不受断层控制的鼻状构造带主要发育构造—岩性圈闭。
Traps in a nose structure that is not controlled by big faults mainly developed structural-lithologic traps.
鼻状构造背景形成油气运移的低势区，决定了油气运聚方向；
The low potential region of hydrocarbon migration, developed under the nose-shape conformation background, leads the hydrocarbon moving direction.
肇州油田芳169区块位于松辽盆地三肇凹陷南部肇州鼻状构造。
Fang 169 block in Zhaozhou oilfield is part of the Zhaozhou nose structure located in the south of Sanzhao depression of the Songliao Basin.
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