11. The "'Fernando Formation "'is a Pliocene stratigraphic unit in California. 12. The "'Mountain Springs Formation "'is Devonian stratigraphic unit in Arizona. 13. A formation is a lithologically distinctive stratigraphic unit that is large enough to be mappable and traceable. 14. The "'Drake Bay Formation "'is a Pliocene stratigraphic unit in California. 15. The Shaftesbury Formation, a stratigraphic unit of the Western Canadian Sedimentary Basin was named for the settlement. 16. Hill 57 consists of rock belonging to the Colorado Group, a stratigraphic unit consisting largely of shale. 17. *28 Jan 2017 & ndash; List of fossiliferous stratigraphic units in South Ossetia ( discussion () 18. The excavated area of Melkhoutboom Cave was divided into stratigraphic units based on soil composition and cultural content. 19. It is known from the Lower Keuper, a European stratigraphic unit that was deposited during the Late Triassic. 20. Sometimes stratigraphic units with the same age from the Alps, southern Europe and even Asia are called Muschelkalk too.
