Alkali Canyon Formation

Short description: Geologic formation

Alkali Canyon Formation
Stratigraphic range: Tortonian-Zanclean (Hemphillian)
~10.3–4.9 Ma

PreЄ

Type| Formation
Unit of| Dalles Group
Lithology
Primary| Sandstone
Other| Tuff
Location
Coordinates|  [ ⚑ ] : 45°42′N 120°12′W﻿ / ﻿45.7°N 120.2°W﻿ / 45.7; -120.2
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| Eastern Columbia Basin
Type section
Named for| Alkali Canyon, 16 km (9.9 mi) SW of Arlington
Named by| Farooqui et al.
Year defined| 1981
Lua error in Module:Location_map/multi at line 27: Unable to find the specified location map definition: "Module:Location map/data/Oregon" does not exist.

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]

## Contents

* 1 Fossil content
* 2 See also
* 3 References
* 3.1 Bibliography

## Fossil content

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

* Eucyon davisi
* Hypolagus oregonensis
* Neotamias malloryi
* Oregonomys pebblespringsensis
* Perognathus stevei
* Plesiogulo marshalli
* Pliotaxidea nevadensis
* Scapanus proceridens
* Spermophilus shotwelli
* S. wilsoni
* Castor sp.
* Dipoides sp.
* Mammut sp.
* Megalonyx sp.
* Teleoceras sp.
* Archaeolaginae indet.
* Camelidae indet.
* Canini indet.
* Carnivora indet.
* Cricetidae indet.
* Dipodomyinae indet.
* Equini indet.
* Hipparionini indet.
* Procyonidae indet.
* Sciuridae indet.
* Tayassuinae indet.
* Ursidae indet.

## See also

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

## References

1. ↑ 1.0 1.1 Alkali Canyon Formation at Fossilworks.org
2. ↑ Alkali Canyon Formation at USGS

### Bibliography

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

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/Alkali Canyon Formation. Read more

|

Retrieved from "https://handwiki.org/wiki/index.php?title=Earth:Alkali_Canyon_Formation&oldid=1035905"