Английская Википедия:Hanna Formation

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Шаблон:Infobox rockunit

Файл:Tilted Rock Layers in Wyoming 1.jpg
Tilted strata of the Hanna Formation

The Hanna Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Torrejonian to Tiffanian stages of the Paleogene period.[1]

See also

References

Шаблон:Reflist

Further reading

  • C. S. Scott and R. C. Fox. 2005. Windows on the evolution of Picrodus (Plesiadapiformes: Primates): morphology and relationships of a species complex from the Paleocene of Alberta. Journal of Paleontology 79(4):635-657
  • R. Secord. 1998. Paleocene mammalian biostratigraphy of the Carbon Basin, southeastern Wyoming, and age constraints on local phases of tectonism. Rocky Mountain Geology 33(1):119-154
  • J. A. Lillegraven. 1994. Age of upper reaches of Hanna Formation, northern Hanna Basin, south-central Wyoming. Berliner geowissenschaftliche Abhandlungen E (Paläobiologie) 13:203-219

Шаблон:Wyoming-geologic-formation-stub Шаблон:Paleogene-stub