Earth:Hannold Hill Formation

From HandWiki
Hannold Hill Formation
Stratigraphic range: Wasatchian
55.8–50 Ma
TypeGeological formation
Unit ofTornillo Group
Location
Coordinates [ ⚑ ] : 29°24′N 103°06′W / 29.4°N 103.1°W / 29.4; -103.1
Paleocoordinates [ ⚑ ] 33°42′N 89°00′W / 33.7°N 89.0°W / 33.7; -89.0
RegionTexas
Country United States
Type section
Named forHannold Hill
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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
  • Hyracotherium vasacciense
  • Minippus index[4]
Placentalia
Primates
  • Phenacolemurinae indet.[4]

Wasatchian correlations

Wasatchian correlations in North America
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
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Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation
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Hannold Hill Formation
Hannold Hill Formation
Hannold Hill Formation (North America)
Country  United States  Canada  United States  Mexico  United States
Copelemur 14px 14px 14px 14px
Coryphodon 14px 14px 14px 14px 14px 14px 14px 14px 14px 14px
Diacodexis 14px 14px 14px 14px 14px 14px 14px
Homogalax 14px 14px 14px 14px 14px 14px 14px
Oxyaena 14px 14px 14px 14px 14px
Paramys 14px 14px 14px 14px 14px 14px 14px 14px 14px
Primates 10px 10px 10px 10px 10px 10px 10px
Birds 10px 10px 10px 10px 10px
Reptiles 10px 10px 10px 10px 10px 10px 10px
Fish 10px 10px 10px 10px 10px 10px 10px
Insects 10px 10px 10px 10px 10px 10px
Flora 10px 10px 10px 10px 10px 10px 10px 10px 10px
Environments Alluvial-fluvio-lacustrine Fluvial Fluvial Fluvio-lacustrine Fluvial Lacustrine Fluvio-lacustrine Deltaic-paludal Shallow marine Fluvial Shallow marine Fluvial Fluvial
Pink ff0080 pog.svg Wasatchian volcanoclastics

8px Wasatchian fauna

Dark Green 004040 pog.svg Wasatchian flora
Volcanic Yes No Yes No Yes No Yes No Yes No

References

  1. 1.0 1.1 Hannold Hill Formation at Fossilworks.org
  2. "Big Bend National Park," Hunt, Santucci, and Kenworthy, 2006, p.66
  3. 3.0 3.1 3.2 Lucas, 1998
  4. 4.0 4.1 4.2 4.3 4.4 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