Hannold Hill Formation

Hannold Hill Formation
Stratigraphic range: Wasatchian
55.8–50 Ma
TypeGeological formation
Unit ofTornillo Group
Location
Coordinates29°24′N 103°06′W / 29.4°N 103.1°W / 29.4; -103.1
Approximate paleocoordinates33°42′N 89°00′W / 33.7°N 89.0°W / 33.7; -89.0
RegionTexas
Country United States
Type section
Named forHannold Hill
Hannold Hill Formation is located in the United States
Hannold Hill Formation
Hannold Hill Formation (the United States)
Hannold Hill Formation is located in Texas
Hannold Hill Formation
Hannold Hill Formation (Texas)

The Hannold Hill Formation is an Early Eocene (Wasatchian) geologic unit in the western United States.[1] It preserves the fossilized remains of the ray Myliobatis and gar.[2]

Fossil content

The following fossils have been reported from the formation:[1]

Glires
Pantodonta
Perissodactyla
Placentalia
Primates

Wasatchian correlations

Wasatchian correlations in North America
Formation Wasatch 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 River
Uinta
Piceance
Colorado Plateau
Wind River
Green River
Bighorn		 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
Hannold Hill Formation is located in North America
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation (North America)
Country  United States  Canada  United States  Mexico  United States
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
Wasatchian volcanoclastics

Wasatchian fauna

Wasatchian flora
Volcanic Yes No Yes No Yes No Yes No Yes No

References

  1. ^ a b Hannold Hill Formation at Fossilworks.org
  2. ^ "Big Bend National Park," Hunt, Santucci, and Kenworthy, 2006, p.66
  3. ^ a b c Lucas, 1998
  4. ^ a b c d e Alroy, 2002
  5. ^ Wilson, 1967

Bibliography

  • Hunt, ReBecca K., Vincent L. Santucci and Jason Kenworthy. 2006. "A preliminary inventory of fossil fish from National Park Service units." in S.G. Lucas, J.A. Spielmann, P.M. Hester, J.P. Kenworthy, and V.L. Santucci (ed.s), Fossils from Federal Lands. New Mexico Museum of Natural History and Science Bulletin 34, pp. 63–69
  • Alroy, J (2002), Synonymies and reidentifications of North American fossil mammals
  • Lucas, S. G (1989), "Coryphodon (Mammalia, Pantodonta) from the Hannold Hill Formation, Eocene of Trans-Pecos Texas", Pearce-Sellards Series, 46
  • J. A. Schiebout and Et al. 1987. Stratigraphy of the Cretaceous-Tertiary and Paleocene-Eocene Transition Rocks of Big Bend National Park, Texas . Journal of Geology 95
  • J. A. Wilson. 1967. Early Tertiary mammals. In R. A. Maxwell, J. T. Lonsdale, R. T. Hazzard, & J. A. Wilson (eds.), Geology of Big Bend National Park, Brewster County, Texas. The University of Texas Publication 6711:157-169