Temblor Formation

The Temblor Formation is a geologic formation in California. It preserves fossils dating back from the Late Oligocene to the Middle Miocene of the Neogene period. It is notable for the famous Sharktooth Hill deposit (otherwise known as Ernst Quarry).[1][2][3]

Temblor Formation
Stratigraphic range: Late Oligocene-Mid Miocene
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TypeGeologic formation
Sub-unitsAgua Sandstone Member, Buttonbed Sandstone Member, Carneros Sandstone Member, Cymric Shale Member, Devilwater Siltstone, Gould Shale, Media Shale Member, Round Mountain Silt, Santos Shale Member, Wygal Sandstone Member
UnderliesMonterey Formation
Lithology
PrimaryShale, sandstone
Location
RegionWestern San Joaquin Valley,
Kern County, California
CountryUnited States
Type section
Named forTemblor Ranch, McKittrick district, Kern County
Named byAnderson
Year defined1905

Fossils

Sharks
Isurus planus upper teeth from the Sharktooth Hill bonebed
Rays and skates

Reptiles

Birds

  • Diomedea californica[5]
    • D. milleri[5]
  • Fulmarus miocaenus[5]
  • Hadrogyps aigialerus[5]
  • Megalodytes morejohni[5]
  • Morus vagabundus[5]
  • Osteodontornis orri[5]
  • Pandion homalopteron[5]
  • Presbychen abavus[5]
  • Puffinus inceptor[5]
    • P. milleri[5]
    • P. priscus[5]
Artist's rendering of Hypohippus in its natural habitat
Restoration of Paleoparodoxia

Mammals

See also

References

  1. "Vast Bed of Ancient Bones and Shark Teeth Explained". LiveScience. By Charles Q. Choi.
  2. L. G. Barnes. 1988. A new fossil pinniped (Mammalia: Otariidae) from the middle Miocene Sharktooth Hill Bonebed, California. Contributions in Science 396:1-11
  3. Malchow, A. 2009. MIOCENE SHARK TOOTH HILL LOCALITY, KERN COUNTY, CALIFORNIA. Geological Society of America North-Central Section - 43rd Annual Meeting (2-3 April 2009)
  4. Boessenecker, Ehret, D, Long, D, Churchill, M, Martin, E, Boessenecker, S. The Early Pliocene extinction of the mega-toothed shark Otodus megalodon: a view from the eastern north Pacific. PeerJ. 2019 Feb 13;7:e6088. doi: 10.7717/peerj.6088. eCollection 2019.
  5. Stegall, J. 2016. Fossil Birds of the Mojave Desert & Environs. Murturango Press, Ridgecrest, California.
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