Assertion: marathon aquifer | /r/MadeOf | faulted
Facets:
Source sentences:
text: The Marathon aquifer consists of tightly folded and faulted rocks of the Gaptank Formation and the Dimple Limestone of Pennsylvanian age; the Tesnus Formation of Pennsylvanian and Mississippian age; the Caballos Novaculite of Mississippian, Devonian, and Silurian age; and the Maravillas Chert, the Fort Pena Formation, and Marathon Limestone of Ordovician age.