Geology A fracture or crack in a rock mass along which no appreciable movement has occurred.

[地质学]裂缝,裂口:岩石块中的碎片或缝隙,在其周围未发生过可被觉察到的运动.

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A fracture or crack in a rock mass along which no appreciable movement has occurred.

岩石块中的碎片或缝隙,在其周围未发生过可被觉察到的运动.

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