East Berlin Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Jurassic
 ....Lower Jurassic
 .....East Berlin Formation
RTMassachusetts
 Connecticut
 Newark Supergroup
SNIn Newark Supergroup. Previously thought to be Upper Triassic in age. Central Connecticut and central Massachusetts. Added to Thesaurus in 1989.