Lebanon Mammoth: Late/Upper Pleistocene, Oregon
collected by L. S. Cressman, W. S. Laughlin 1940
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Proboscidea
- Elephantidae
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Mammuthus sp.
Brookes 1828
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| "mammoth" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Oregon | County: | Linn |
| Coordinates: | 44.5° North, 122.9° West (view map) | ||||
| Paleocoordinates: | 44.5° North, 122.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 800 feet | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pleistocene | ||
| Age range of interval: | 0.12900 - 0.01170 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "late Pleistocene or early Recent" | |||||
Lithology and environment
| Primary lithology: | blue conglomeratic claystone |
| Lithology description: "an unven blue clay bed which continued at an indefinite distance... beyond the bottom of the excavation... In the bottom of the clay bed [which yielded the fossil]... there were a great many fairly rounded stones" | |
| Environment: | lacustrine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Associated major elements: | some |
Collection methods and comments
| Collection methods: | selective quarrying,field collection | ||
| Reason for describing collection: | archaeological analysis | ||
| Collectors: | L. S. Cressman, W. S. Laughlin | Collection dates: | 1940 |
Metadata
| Database number: | 79622 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2008-03-14 15:32:57 | Last modified: | 2008-03-14 17:32:57 |
| Access level: | the public | Released: | 2008-03-14 15:32:57 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 26724. | L. S. Cressman and W. S. Laughlin. 1941. A probable association of mammoth and artifacts in the Willamette Valley, Oregon. American Antiquity 6(4):339-342 [J. Alroy/J. Alroy] |