fault line

Noun
  1. (geology) line determined by the intersection of a geological fault and the earth's surface (synset 108587120)
    referred to in: geology - a science that deals with the history of the earth as recorded in rocks
    is a type of: line - a spatial location defined by a real or imaginary unidimensional extent
    is a part of: break, fault, faulting, fracture, geological fault, shift - (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other

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