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What is an anticline?

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Quick Answer

According to Radford University, anticlines are folds that occur in a rock surface in which each half dips away from the crest. These folds are caused from compressional stress.

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When erosion occurs, geologists study the surface of a rock for patterns to determine the existence of synclines and anticlines. Generally, in anticlines, the oldest rocks are at the center positions of the folds, while in synclines, the center positions of the folds are present in the young rocks. In areas with highly folded limestone, synclines and anticlines typically occur together. These types of sharper folds are known as chevron folds.

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