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unconformity


un·con·for·mi·ty

noun \-ˈfr-mə-tē\

Definition of UNCONFORMITY

1
archaic : lack of conformity
2
a : lack of continuity in deposition between rock strata in contact corresponding to a period of nondeposition, weathering, or erosion b : the surface of contact between unconformable strata

First Known Use of UNCONFORMITY

circa 1600

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