Alamosa Formation

Alamosa Formation

Stratigraphic range: Pleistocene
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
TypeFormation
Location
RegionColorado
CountryUnited States

The Alamosa Formation is a geologic formation in Colorado.[1] It preserves fossils. The formation was deposited by Lake Alamosa, a paleolake that existed from the Pliocene to the middle Pleistocene.[2]

See also

  • Earth sciences portal
  • flagColorado portal
  • iconPaleontology portal

References

  1. ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
  2. ^ Machette, Michael N.; Marchetti, David W.; Thompson, Ren A. (2007). "Chapter G: Ancient Lake Alamosa and the Pliocene to middle Pleistocene evolution of the Rio Grande". Rocky Mountain Section Friends of the Pleistocene Guidebook (PDF). Open-file report ; 2007-1193. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey. pp. 157–167.
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Cenozoic chronostratigraphy of Colorado
Ph
Cz
Q
Pleistocene
  • Alamosa Formation
N
Pliocene
Zanclean
Miocene
Messinian
Aquitanian
  • Grouse Mountain Basalt
  • Pe
    Oligocene
    Chattian
    Eocene
    Paleocene
    • Gravel Mountain Formation
    • Independence Mountain Formation
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    Mesozoic chronostratigraphy of Colorado
    Ph
    Mz
    K
    Upper
    Lower
    J
    Upper
    Middle
    Lower
    Tr
    Upper
    Middle
    Anisian
    Lower
    Olenekian
    Induan
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    Paleozoic chronostratigraphy of Colorado
    Ph
    Pz
    P
    Lopingian
    Changhsingian
  • Chugwater Formation
  • Lykins Formation
  • Taloga Formation
  • Cisuralian
    Asselian
    C
    Gzhelian
    M
    Tournaisian
  • Williams Canyon Formation
  • D
    Upper
    Famennian
    • Williams Canyon Formation
    O
    Upper
  • Fremont Limestone
  • Viola Formation
  • Middle
    Lower
    Tremadocian
    • Arbuckle Formation
    • Manitou Formation
    Є
    Furongian
    Stage 10
    Paibian
    Series 3
    Guzhangian
    • Reagan Formation
    • Tintic Formation
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    • t
    • e
    Precambrian chronostratigraphy of Colorado
    Z
    Tonian
    • Tava Formation
    X
    Siderian
  • Owiyukuts Complex

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