It preserves fossils, including amber dating back to the Cretaceous period.

[1][2][3] Likely deposited in a nearshore coastal environment representing a lower shoreface, it contains a high diversity of vertebrate remains.

It has one of the most diverse dinosaur faunas known from the former landmass of Appalachia, the majority of which are known from two sites: Phoebus Landing along the Cape Fear River in Bladen County, North Carolina, as well as Stokes Quarry in Darlington County, South Carolina.

[4][5][6] Fossil pollen grains suggest a subtropical to warm, moist temperate climate for the region, with an ecosystem largely dominated by flowering plants.

Hadrosaurus Hypsibema Lophorhothon An indeterminate hadrosauroid is known from Stokes Quarry, SC.