This limestone is of marine origin and is divided into three distinct litho-stratigraphic units based on the productus chronology: the Late Permian Chideru, which contains many ammonites, the Late-Middle Permain Virgal, and the Middle Permian Amb unit.
This limestone is of marine origin. This limestone is divided into three distinct litho-stratigraphic units based on the productus chronology: the Late Permian Chideru-Middle Permain Virgal, and the Middle Permian Amb unit. The Late Permian Chideru is the Late. The Late Permian Chideru contains many ammonites.