axial plane

geology
Also known as: axial surface

Learn about this topic in these articles:

structure of folds

  • metamorphic rock
    In fold

    The axial plane of a fold is the plane or surface that divides the fold as symmetrically as possible. The axial plane may be vertical, horizontal, or inclined at any intermediate angle. An axis of a fold is the intersection of the axial plane with one…

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