Gable Creek Formation

Last updated
Gable Creek Formation
Stratigraphic range: Albian
~113–100  Ma
Type Geological formation
Unit of Mitchell Group
Lithology
Primary Sandstone, conglomerate
Location
Coordinates 44°30′N120°06′W / 44.5°N 120.1°W / 44.5; -120.1 Coordinates: 44°30′N120°06′W / 44.5°N 120.1°W / 44.5; -120.1
Region Pacific Northwest
Flag of Oregon.svg  Oregon
CountryFlag of the United States.svg  United States
Extent Wheeler County
Type section
Named forGable Creek
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Gable Creek Formation (the United States)
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Gable Creek Formation (Oregon)

The Gable Creek Formation is a sedimentary rock formation from the Albian age of the Early Cretaceous. [1] The formation is in Wheeler County, Oregon of the United States of America and is intertongued with the similarly aged Hudspeth Formation. The formation mostly consists of fluvial-deltaic sandstones and conglomerates. [2] Marine fossils can be found throughout the formation including various species of ammonites, clams and other mollusks. The Gable Creek Formation gets its name from Gable Creek, a creek that runs through much of the formation.

Contents

Fossil content

Ammonites of the Gable Creek Formation
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Desmoceras D. alamoenseOregonshell [3] D. alamoense can be found in the nearby Hudspeth Formation as well
Gasteropods - Ammonites - Desmoceras sp..JPG
D. voyiOregon
D. berryaeOregon
Anisoceras A. merriamiOregon
Tetragonites T. timotheusOregon
Oxytropidoceras O. packardiOregon
Lechites L. gaudiniOregon
Mortoniceras M. perinflatumOregon
Mortoniceras inflatum Mortoniceras inflatum 01.JPG
Mortoniceras inflatum
Tragodesmoceras T. ashlandicumOregon
Binneyites B. parkensisOregon

Other invertebrates

Non-ammonite invertebrates of the Gable Creek Formation
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Yaadia Y. whiteavesiOregon
Y. leanaOregonA common species in the Gable Creek Formation
Volutoderma V. blakeiOregon
Lunatia L. halliOregon
Natica N. allisoniOregon
Pseudomelania P. colusaensisOregon
Turritella T. hearniOregon
Trochacteon T. allisoniOregon
Nerinea N. stewartiOregon
Cucullaea C. truncataOregonexternal molds and clam shells
Parallelodon P. brewereanusOregon
Pachycardium P. remondianumOregon
Corbula C. parilisOregon
Volsella V. sikiyouensisOregon
Nucula N. truncataOregon
Acila A. demessaOregon
Aucellina A. dawlingiOregon
Syncyclonema S. latumOregon
Cercomya C. hesperiaOregon
Periplomya P. oregonensisOregon
Pterotrigonia P. evansanaOregonClam shells in various states of preservation
Pterotrigonia caudata Megatrigoniidae - Pterotrigonia caudata.JPG
Pterotrigonia caudata
Tenea T. inflataOregon
Anatina A. tryonianaOregon
Cymbophora C. gabbianaOregon
Solecurtus S. chapmaniOregon
Meekia M. chapmaniOregon
Tellina T. paralisOregon
Calva C. nitidaOregon
Flaventia F. zetaOregon
Venus IndeterminateOregon
Terebratella T. allisoniOregon
Dentalium D. californianumOregon

See also

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References

  1. "Gable Creek Formation - John Day Fossil Beds National Monument (U.S. National Park Service)". www.nps.gov. U.S.: U.S. National Park Service . Retrieved 2020-07-04.
  2. "BEDROCK GEOLOGY OF THE MITCHELL QUADRANGLE, WHEELER COUNTY, OREGON" (PDF). 1971. Retrieved July 4, 2020.
  3. "Condon Collection's Searchable Database" . Retrieved July 4, 2020.