Rancocas Group

Rancocas Group
Stratigraphic range: latest Maastrichtian to Thanetian,
TypeGroup
Sub-unitsHornerstown Formation, Vincentown Formation
UnderliesManasquan Formation
OverliesMonmouth Group
Location
RegionNew Jersey
CountryUnited States

The Rancocas Group is a geologic group in New Jersey. It preserves fossils dating back to the latest Cretaceous and the Paleogene period, meaning that it spans the Cretaceous-Paleogene boundary. It contains the Hornerstown Formation and the Vincentown Formation, with some treatments also including the Manasquan Formation within it.

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