These folds are characteristic of a-type fold which are commonly found in ductile shear zones.

这些褶皱的特征表明它们属于a型褶皱，而a型褶皱通常发育在韧性剪切带中。

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These folds are characteristic of a-type fold which are commonly found in ductile shear zones.

这些褶皱的特征表明它们属于a型褶皱，而a型褶皱通常发育在韧性剪切带中。

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