Calcareous foraminifers provide a time-stratigraphic framework to chronicle the development of the Tengiz carbonate platform that thrived from the latest Devonian (late Famennian) into the Middle Pennsylvanian (late Bashkirian). Correlative zones. based on documented foraminiferal assemblages and expressed primarily in terms of Russian horizons. confirm that the platform grew in a com... https://www.animationbengal.com/