Unnamed stream (Unit 3, Red Bluff Fm) - Toulmin et al (1951): Early Oligocene, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Pectinida
- Pectinidae
|
|||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Choctaw |
| Coordinates: | 32.0° North, 88.3° West (view map) | ||||
| Paleocoordinates: | 35.6° North, 75.1° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Early Oligocene | ||
| Age range of interval: | 33.9 - 27.3 m.y. ago |
Stratigraphy
| Formation: | Red Bluff Clay | ||||
| Local section: | Unnamed Creek | Local bed: | 3 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Unit of clay 5.5 ft thick overlain by Pleistocene terraces and underlain by the Shubuta Mbr of the Yazoo Clay. The Red Bluff Clay is 29 ft thick in total and comprises units 2-4. Choctaw regional section. | |||||
Lithology and environment
| Primary lithology: | glauconitic,brown,gray,green,white calcareous claystone |
| Includes fossils? | Y |
| Lithology description: Clay, greenish-gray, weathering to greenish-brown, waxy, calcareous, with white lime nodules, glauconitic, very few sand grains. Weathers to form limonite nodules. | |
| Environment: | offshore |
| Geology comments: No paleoenvironmental information reported. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | selective quarrying,field collection,observed (not collected) |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: Unknown repository. Page 132. | |
| Taxonomic list comments:Probably not complete. Only mollusca. | |
Metadata
| Also known as: | Unit 3, Red Bluff Fm, Choctaw County | ||
| Database number: | 42158 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
| Created: | 2004-07-24 23:14:34 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2004-07-24 23:14:34 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 11239. | L.D. Toulmin, P.E. La Moreaux, and C.R. Lanphere. 1951. Geology and ground-water resources of Choctaw County, Alabama. Geological Survey of Alabama Special Report 21 [A. Miller/A. Hendy/A. Hendy] |