Usno Formation
The Usno Formation is a palaeontological formation located in Ethiopia. It dates to the Pliocene period.[1]
Usno Formation | |
---|---|
Stratigraphic range: Pliocene | |
Type | Geological formation |
Unit of | Omo Group |
Underlies | Kalam Formation |
Overlies | Mursi Formation |
Lithology | |
Primary | Sandstone |
Location | |
Coordinates | 5.3°N 36.0°E |
Approximate paleocoordinates | 5.1°N 35.7°E |
Country | Ethiopia |
Extent | Omo Subbasin Turkana Basin |
Usno Formation (Ethiopia) |
References
- Boaz, N. T., Howell, F. C., & McCrossin, M. L. (1982). Faunal age of the Usno, Shungura B and Hadar Formations, Ethiopia. Nature, 300(5893), 633–635. https://doi.org/10.1038/300633A0
- Vickers-Rich, Patricia & Rich, Thomas Hewett (1993); Wildlife of Gondwana. Reed. ISBN 0-7301-0315-3
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