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Flag Counter
  2. World Encyclopedia
  3. Beartooth Butte Formation - Wikipedia
Beartooth Butte Formation - Wikipedia
Coordinates: 44°57′N 109°37′W / 44.950°N 109.617°W / 44.950; -109.617
From Wikipedia, the free encyclopedia
Beartooth Butte Formation
Stratigraphic range: Lochkovian-Emsian
~419–394 Ma
Fossil fish from the Beartooth Butte Formation
TypeFormation
Sub-unitsCottonwood Canyon Member
Lithology
PrimaryMudstone, sandstone
OtherShale, limestone
Location
Coordinates44°57′N 109°37′W / 44.950°N 109.617°W / 44.950; -109.617
Approximate paleocoordinates28°12′S 47°06′W / 28.2°S 47.1°W / -28.2; -47.1
RegionWyoming
CountryUnited States
Type section
Named forBeartooth Butte
Beartooth Butte Formation is located in the United States
Beartooth Butte Formation
Beartooth Butte Formation (the United States)
Beartooth Butte Formation is located in Wyoming
Beartooth Butte Formation
Beartooth Butte Formation (Wyoming)

The Beartooth Butte Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Devonian period.[1]

Description

The formation contains a basal limestone conglomerate overlain by evenly bedded red or gray limestones (more accurately, limy mudstones) and calcareous shales. It is a lenticular, channel-fill deposit which is some 2,500 feet (760 m) wide and 250 feet (76 m) thick at maximum. Most collections are from the talus slope. Stable oxygen and isotope data (Poulson in Fiorillo, 2000) indicate that the Beartooth Butte Formation was deposited in an estuarine environment, with the Cottonwood Canyon section being slightly less saline than the type section.

Fossil content

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

Fish
Arthropods
Flora
Invertebrates

See also

References

  1. ^ a b Beartooth Butte Formation at Fossilworks.org

Bibliography

  • Stein, W. E (2002), SUNY-Binghamton Paleobiology Collection
  • Kjellesvig-Waering, E. N (1986), "A restudy of the fossil Scorpionida of the world", Palaeontographica Americana, 55: 1–287
Sunting pranala
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