Marcellus Formation
Thickness
Columns: Buffalo | Rochester | Syracuse | Utica | Albany
Oatka Creek shale | Oatka Creek shale | Cardiff dark gray shale | Pecksport shale | (Mt. Marion Fm.) | Oatka Creek shale | Oatka Creek shale | Cardiff dark gray shale | Solsville shale and sandstone | Solsville shale and sandstone | Oatka Creek shale | Oatka Creek shale | Cardiff dark gray shale | Bridgewater shale | Otsego | Oatka Creek shale | Oatka Creek shale | Chittenango black shale | Chittenango black shale | Berne | Cherry Valley limestone | Cherry Valley limestone | Cherry Valley limestone | Cherry Valley limestone | Stony Hollow shale & limestone | (Seneca Mb.) (Onondaga Fm.) | Union Springs shale and limestone | Union Springs shale and limestone | Union Springs shale and limestone | Stony Hollow shale & limestone | (Seneca Mb.) (Onondaga Fm.) | (Onondaga Fm.) | (Onondaga Fm.) | Union Springs shale and limestone | Union Springs shale and limestone