Newark Supergroup  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Newark Supergroup
UFNewark Group
RTVirginia
 New York
 North Carolina
 Maryland
 Delaware
 Connecticut
 New Jersey
 Brunswick Formation
 Passaic Formation
 East Berlin Formation
 Hampden Basalt
 Holyoke Basalt
 Feltville Formation
 Lockatong Formation
 Stockton Formation
 Portland Formation
SNLower Jurassic or Upper Triassic. Includes New Oxford Formation, Gettysburg Shale, Stockton Formation, Lockatong Formation, Brunswick Formation, New Haven Arkose, Meriden Formation, Portland Arkose, Pekin Formation, Cumnock Formation, Sanford Formation, T