Peedee Formation
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Peedee Formation
Peedee Formation
Stratigraphic range: Late Cretaceous
Cucullaea melhaseana (fossil bivalve) (Pee Dee Formation, Upper Cretaceous; Myrtle Beach, South Carolina, USA) 3.jpg
Fossil bivalve from the Peedee Formation (South Carolina)
OverliesBlack Creek Formation
ThicknessUp to 886 ft (270 m)
PrimaryGlauconitic to argillic sandstone
OtherClaystone, limestone
RegionNorth & South Carolina
Country United States
Type section
Named forPee Dee River, type locality: Burches Ferry, South Carolina[1]

The Peedee Formation is a geologic formation in North and South Carolina. A marine deposit, named for exposures along the Great Peedee River, it preserves belemnites and foraminifera fossils dating from the Late Cretaceous.[1] The formation is notable for its occurrence of Belemnitella americana, known as the Pee Dee Belemnite (PDB), a long-standing standard in stable carbon isotope research.

See also


External links

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 2014.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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