Central Pit of Hebron Brick Co. (USNM 14052): Wasatchian, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Angiospermae
- Malvales
- Sterculiaceae
|
|||||||
|
Dombeya novimundi leaf
Hickey 1977
|
1 specimen | ||||||
|
Lycopodiopsida
- Isoetales
- Isoetaceae
|
|||||||
|
Isoetites horridus leaf, megaspore
(Dawson 1883)
|
2 specimens | ||||||
|
Polypodiopsida
- Polypodiales
- Aspleniaceae
|
|||||||
|
Hemitelia magna leaf
(Knowlton 1899)
|
4 specimens | ||||||
|
Polypodiopsida
- Salviniales
- Salviniaceae
|
|||||||
|
Salvinia preauriculata leaf
Berry 1925
|
8 specimens | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | North Dakota | County: | Morton |
| Coordinates: | 47.0° North, 102.0° West (view map) | ||||
| Paleocoordinates: | 50.8° North, 83.6° 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: | yellow claystone |
| Includes fossils? | Y |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body |
| 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: | 15 specimens |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USNM |
Metadata
| Database number: | 10806 | ||
| Authorizer: | H. Sims | Enterer: | S. Ostrowski |
| Modifier: | G. Varnham | Research group: | paleobotany |
| Created: | 2001-06-25 09:55:03 | Last modified: | 2022-03-23 05:37:43 |
| Access level: | the public | Released: | 2001-06-25 09:55:03 |
| 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] |