USGS locality 4984, 2 miles south of Buckey, near Roundup, MT, Fort Union Fm: Paleocene, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Coniferales
- Cupressaceae
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Metasequoia occidentalis seed repro
Chaney 1951
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| cone | ||||||||||
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Taxodium olriki leaf
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Angiospermae
- Proteales
- Platanaceae
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Platanus nobilis leaf
Newberry 1868
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Angiospermae
- Garryales
- Eucommiaceae
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Eucommia serrata leaf
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Angiospermae
- Rosales
- Rosaceae
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Prunus corrugis leaf
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Angiospermae
- Fagales
- Betulaceae
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Betula stevensoni leaf
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Angiospermae
- Moraceae
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Ficus artocarpoides leaf
Lesquereux 1883
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana |
| Coordinates: | 46.2° North, 108.4° West (view map) | ||
| Paleocoordinates: | 52.2° North, 86.3° West | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| 10 m.y. bin: | Cenozoic 1 | ||
| Key time interval: | Paleocene | ||
| Age range of interval: | 66 - 56 m.y. ago |
Stratigraphy
| Formation: | Fort Union | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Greenish shale 1 to 4 ft. below first massive sandstone, mapped as base of Fort Union - from USGS unpublished log book. | |||||
Lithology and environment
| Primary lithology: | "shale" |
| Environment: | fluvial indet. |
Taphonomy
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Collection method comments: Specimens were collected by T.W. Stanton & R.W. Richards, July 5, 1908 and R. W. Brown, F. S. MacNeill Aug. 25, 1936.
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| Taxonomic list comments:Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane. | |
Metadata
| Database number: | 40935 | ||
| Authorizer: | P. Wilf | Enterer: | J. Sessa |
| Modifier: | J. Sessa | Research group: | paleobotany |
| Created: | 2004-07-03 17:43:49 | Last modified: | 2004-07-03 20:43:49 |
| Access level: | the public | Released: | 2004-07-03 17:43:49 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 10820. | R. W. Brown. 1962. Paleocene flora of the Rocky Mountains and Great Plains. United States Geological Survey Professional Paper 375:1-119 [P. Wilf/J. Sessa/M. Uhen] |