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弯曲褶曲
buckle fold
- 枢纽是褶曲中弯曲度最大的点。
The hinge is the point of maximum curvature in a fold. - 请看那两个褶皱，其中一个褶曲是向上凸起，较老的奥陶系石灰岩位于弯曲的中心。
Look at these two folds. One is convex upward with older rock of Ordovician limestone toward the center of curvature. - 前者有分枝断层及微破裂转换；后者有传播褶曲及微弯曲转换。
The former contains branch fault and miCro-break conversion and the latter has propagation fold and micro-winding conversion.
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