The Hatchetigbee Bluff Formation is a geologic formation in Alabama, Georgia, Louisiana and Mississippi. The youngest unit of the Wilcox Group preserves fossils dating back to the Ypresian stage of the Eocene period, or Wasatchian in the NALMA classification.Hatchetigbee Bluff Formation at Fossilworks.org The formation is named for Hatchetigbee Bluff on the Tombigbee River, Washington County, Alabama.Hatchetigbee Bluff Formation - USGS
Wasatchian correlations + Wasatchian correlations in North America Formation DeBeque Claron Indian Meadows Pass Peak Tatman Willwood Golden Valley Coldwater Allenby Kamloops Ootsa Lake Margaret Nanjemoy Hatchetigbee Tetas de Cabra Hannold Hill Coalmont Cuchara Galisteo San Jose Ypresian (IUCS) • Itaboraian (SALMA)Bumbanian (ALMA) • Mangaorapan (NZ) Basin Powder RiverUintaPiceanceColorado PlateauWind RiverGreen RiverBighorn Piceance Colorado Plateau Wind River Green River Bighorn Williston Okanagan Princeton Buck Creek Nechako Sverdrup Potomac GoM Laguna Salada Rio Grande North Park Raton Galisteo San Juan Copelemur Coryphodon Diacodexis Homogalax Oxyaena Paramys Primates Birds Reptiles Fish Insects Flora Environments Alluvial-fluvio-lacustrine Fluvial Fluvial Fluvio-lacustrine Fluvial Lacustrine Fluvio-lacustrine Deltaic-paludal Shallow marine Fluvial Shallow marine Fluvial Fluvial Volcanic Yes No Yes No Yes No Yes No Yes No
See also
List of fossiliferous stratigraphic units in Alabama List of fossiliferous stratigraphic units in Georgia (U.S. state) List of fossiliferous stratigraphic units in Louisiana List of fossiliferous stratigraphic units in Mississippi Paleontology in Alabama Paleontology in Georgia (U.S. state) Paleontology in Louisiana Paleontology in Mississippi
References
Bibliography
Further reading Smith, E.A., and Johnson, L.C., 1887, Tertiary and Cretaceous strata of the Tuscaloosa, Tombigbee, and Alabama Rivers: U.S. Geological Survey Bulletin, 43, 189 p.