Alkali Canyon Formation

Alkali Canyon Formation Stratigraphic range: Tortonian-Zanclean (Hemphillian) ~10.3–4.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Unit of
Lithology
Primary	Sandstone
Other	Tuff
Location
Coordinates	45°42′N 120°12′W / 45.7°N 120.2°W / 45.7; -120.2Coordinates: 45°42′N 120°12′W / 45.7°N 120.2°W / 45.7; -120.2
Approximate paleocoordinates	45°36′N 117°30′W / 45.6°N 117.5°W / 45.6; -117.5
Region	Gilliam & Morrow Counties, Oregon
Country	United States
Extent
Type section
Named for	, 16 km (9.9 mi) SW of Arlington
Named by	Farooqui et al.
Year defined	1981
Alkali Canyon Formation (the United States) Show map of the United States Alkali Canyon Formation (Oregon) Show map of Oregon

The Alkali Canyon Formation is a geologic formation in Oregon. It preserves fossils dating back to the Tortonian to Zanclean stages (Hemphillian) of the Neogene period.^[1][2]

Fossil content[]

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

See also[]

• List of fossiliferous stratigraphic units in Oregon
• Paleontology in Oregon

References[]

Bibliography[]

• Shotwell, J. A. 1958. Inter-community relationships in Hemphillian (mid-Pliocene) mammals. Ecology 39. 271–282.