The lowest division of the Carboniferous formations underlying the proper coal measures; a marine formation characterized in general by beds of limestone.
subeffectiveness
subjectification
subjectification
noun
The process of subjectifying.
subsuperficially
tribofluorescent
unbeneficialness
unconfirmability
unconformability
unconformability
noun
(geology) Lack of parallelism between one series of strata and another, especially when due to a disturbance of the position of the earlier strata before the latter were deposited.
(geology) The quality or state of being unconformable.
