Interstratification :: Interstratification (n.) Stratification among or between other layers or strata; also, that which is interstratified..
Stratification :: Straticulate (a.) Characterized by the presence of thin parallel strata, or layers, as in an agate..
Stratification :: Stratification (n.) The act or process of laying in strata, or the state of being laid in the form of strata, or layers..