unconformity noun.
[ʌnkǝn'fɔ:mɪti] L16.[from UN-1 + CONFORMITY.]1. Lack of conformity (
to).
L16.2. =
NONCONFORMITY 1.
M-L17.3. Geology. A large break in the geological record, observable as the overlying of rocks by younger rocks which would not normally succeed them directly and which may have a different direction or plane of stratification.
E19.b. An instance of this; the surface of contact between two groups of unconformable strata.
M19. [TahlilGaran] English Dictionary ▲