Hatchetigbee Bluff Formation

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.[1] The formation is named for Hatchetigbee Bluff on the Tombigbee River, Washington County, Alabama.[2]

Hatchetigbee Bluff Formation
Stratigraphic range: Ypresian (Wasatchian)
~
TypeFormation
Unit ofWilcox Group
Sub-unitsBashi Member
Lithology
PrimaryMarl, sandstone
OtherShale, siltstone
Location
Coordinates31.3°N 86.1°W / 31.3; -86.1
Approximate paleocoordinates33.1°N 71.7°W / 33.1; -71.7
Region Alabama
 Georgia (U.S. state)
 Louisiana
Mississippi
Country United States
ExtentGulf of Mexico Basin
Type section
Named forHatchetigbee Bluff, Tombigbee River, Washington County, Alabama
Named bySmith & Johnson
Year defined1887
Hatchetigbee Bluff Formation is located in the United States
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation (the United States)
Hatchetigbee Bluff Formation is located in Alabama
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation (Alabama)

Wasatchian correlations

Wasatchian correlations in North America
FormationWasatchDeBequeClaronIndian MeadowsPass PeakTatmanWillwoodGolden ValleyColdwaterAllenbyKamloopsOotsa LakeMargaretNanjemoyHatchetigbeeTetas de CabraHannold HillCoalmontCucharaGalisteoSan JoseYpresian (IUCS) • Itaboraian (SALMA)
Bumbanian (ALMA) • Mangaorapan (NZ)
BasinPowder River
Uinta
Piceance
Colorado Plateau
Wind River
Green River
Bighorn
Piceance




Colorado Plateau





Wind River





Green River






Bighorn
WillistonOkanaganPrincetonBuck CreekNechakoSverdrupPotomacGoMLaguna SaladaRio GrandeNorth ParkRatonGalisteoSan Juan
Hatchetigbee Bluff Formation is located in North America
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation
Hatchetigbee Bluff Formation (North America)
Country United States Canada United States Mexico United States
Copelemur
Coryphodon
Diacodexis
Homogalax
Oxyaena
Paramys
Primates
Birds
Reptiles
Fish
Insects
Flora
EnvironmentsAlluvial-fluvio-lacustrineFluvialFluvialFluvio-lacustrineFluvialLacustrineFluvio-lacustrineDeltaic-paludalShallow marineFluvialShallow marineFluvialFluvial
Wasatchian volcanoclastics

Wasatchian fauna

Wasatchian flora
VolcanicYesNoYesNoYesNoYesNoYesNo

See also

References

Bibliography

  • Sessa, J. A.; T. J. Bralower; M. E. Patzkowsky; J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38. 218–239. .
  • Dockery, D. T. 1980. Invertebrate Macropaleontolgy of the Clarke County Mississippi Area. Bulletin - Mississippi Geological, Economic and Topographic Survey 122. .. .
  • Hansen, T. A. 1978. Ecological control of evolutionary rates in Paleocene - Eocene marine molluscs - Ph.D. thesis, 1–310. Yale University.
  • Toulmin, L. D. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13. 1–602. .
  • Palmer, K. V., and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48. 1–471. .
  • Aldrich, T. H. 1921. New Eocene species from Alabama. Bulletins of American Paleontology 9. .. .

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.
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