Whiterock Conservancy- Long Creek: Late Albian, Iowa
Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
| Country: | United States | State/province: | Iowa | County: | Guthrie |
| Coordinates: | 41.8° North, 94.7° West (view map) | ||||
| Paleocoordinates: | 46.9° North, 48.5° West (Wright 2013) | ||||
| Basis of coordinate: | unpublished field data |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Late Albian | ||
| Age range of interval: | 106.3 - 100.5 m.y. ago |
Stratigraphy
| Formation: | Dakota | Member: | Nishnabotna |
Lithology and environment
| Primary lithology: | poorly lithified muddy,silty mudstone |
| Environment: | estuary/bay |
| Geology comments: fluvial-estuarine environments, marginal marine | |
Taphonomy
| Modes of preservation: | body,adpression,original carbon |
| Size of fossils: | macrofossils,mesofossils,microfossils |
| Preservation of anatomical detail: | excellent |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Also known as: | Garst Farm | ||
| Database number: | 127991 | ||
| Authorizer: | H. Sims | Enterer: | H. Sims | Research group: | paleobotany |
| Created: | 2012-05-31 07:34:10 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-05-31 07:34:10 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 41847. | B. J. Witzke and G. A. Ludvigson. 1996. Mid-Cretaceous fluvial deposits of the eastern margin, western interior basin: Nishnabotna Member, Dakota Formation: A field guide to the Cretaceous of Guthrie County. Geological Survey Bureau Guidebook Series (17)1-75 [H. Sims/H. Sims] |