Glenns Ferry (Bruneau Formation): Irvingtonian, Idaho

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828
    = Mammuthus hayi Barbour 1915
Webb and Dudley 1995
"M. meridionalis" of Kurten and Anderson 1980
Mammalia - Camelidae
Gigantocamelus sp. Barbour and Schultz 1939
3/4 mi S of Mammuthus specimen but in the "same gravel bed"
see common names

Geography
Country:United States State/province:Idaho County:Elmore
Coordinates: 43.0° North, 115.7° West (view map)
Paleocoordinates:43.0° North, 115.5° West
Basis of coordinate:based on political unit
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
Key time interval:Irvingtonian
Age range of interval:1.40000 - 0.21000 m.y. ago
Stratigraphy
Local section:Hgrmn Local bed:4100 ft
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:fm. dated at 1.35 (= 1.39) +/- 0.07 Ma by Armstrong et al. 1975 (whole-rock KA); six other dates yielded > 10% errors and averaged 1.41 Ma, and three others were suspected of including excess Ar; 1.36 Ma date of Evernden et al. 1964 (KA 1188) is concordant
Castle Creek and Sailor Creek are also in the fm. (see)
Metadata
Database number:20343
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2002-06-03 03:27:44
Access level:the public Released:1995-03-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
2401. H. E. Malde and H. A. Powers. 1962. Upper Cenozoic Stratigraphy of Western Snake River Plain, Idaho. Geological Society America Bulletin 73 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

3574 S. D. Webb and J. P. Dudley. 1995. Proboscidea from Leisey Shell Pits, Hillsborough County, Florida. Bulletin of the Florida Museum of Natural History 37(20) [J. Alroy/J. Alroy/J. Ju]