Upper Eocene impactites of the U. S. East Coast; depositional origins, biostratigraphic framework, and correlation

Atlantic Ocean DSDP Site 612 Cenozoic IPOD Eocene Atlantic Coastal Plain Chesapeake Bay continental slope Deep Sea Drilling Project Foraminifera algae New Jersey North Atlantic Paleogene Invertebrata Leg 95 nannofossils Plantae Protista upper Eocene metamorphic rocks Tertiary Virginia United States microfossils thallophytes