Southwest of Goldon Valley (USNM 14050): Wasatchian, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Angiospermae
- Proteales
- Sabiaceae
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Meliosma longifolia leaf
(Hickey 1977)
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3 specimens | ||||||
see common names |
Geography
Country: | United States | State/province: | North Dakota | County: | Mercer |
Coordinates: | 47.2° North, 102.1° West (view map) | ||||
Paleocoordinates: | 51.1° North, 83.7° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
*Period: | Early/Lower Tertiary - Middle Tertiary | *Local age/stage: | Wasatchian |
Key time interval: | Wasatchian | ||
Age range of interval: | 54.9 - 50.5 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Golden Valley | Member: | Camels Butte |
Regional section: | Williston | Regional bed: | Williston |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | "cross stratification" conglomeratic sandstone |
Includes fossils? | Y |
Environment: | "channel" |
Taphonomy
Modes of preservation: | mold/impression,adpression |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Temporal resolution: | snapshot |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | selective quarrying,field collection |
Collection size: | 3 specimens |
Reason for describing collection: | paleoecologic analysis |
Museum repositories: | USNM |
Metadata
Database number: | 10804 | ||
Authorizer: | H. Sims | Enterer: | S. Ostrowski |
Modifier: | G. Varnham | Research group: | paleobotany |
Created: | 2001-06-25 11:38:51 | Last modified: | 2022-03-23 05:37:25 |
Access level: | the public | Released: | 2001-06-25 11:38:51 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
4023. | ETE 425 | L. J. Hickey. 1977. Stratigraphy and paleobotany of the Golden Valley Formation (Early Tertiary) of western North Dakota. The Geological Society of America Memoir 150:1-183 [H. Sims/S. Ostrowski/J. Cassara] |