MGS #98b: Rupelian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Pectinida
- Pectinidae
|
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Pecten byramensis
|
A category | |||||||||
| 100+ valves collected | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Mississippi | County: | Rankin |
| Coordinates: | 32.3° North, 90.0° West (view map) | ||||
| Paleocoordinates: | 32.6° North, 83.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| *Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Oligocene |
| *International age/stage: | Early/Lower Rupelian - Early/Lower Rupelian | ||
| Key time interval: | Rupelian | ||
| Age range of interval: | 33.9 - 27.82 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Glendon Limestone | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: The Glendon Limestone consists of hard, ledge forming limestones (calcarenites) and some intervening sands and clays, and disconformably overlies the softer Marianna Limestone. | |||||
Lithology and environment
| Primary lithology: | hardground,gray lithified calcareous "limestone" | ||
| Secondary lithology: | claystone | ||
| Includes fossils? | Y | ||
| Includes fossils? | Y | ||
| Environment: | offshore | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,original aragonite,original calcite |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils,difficult macrofossils |
| Collection methods: | bulk,mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Bivalves only. | |
| Taxonomic list comments:List uses catagories, for example, R = rare...1 - 9 valves collected. C = common...10 - 99 valves collected. A = abundant...100+ valves collected. | |
Metadata
| Database number: | 6000 | ||
| Authorizer: | L. Ivany | Enterer: | S. DeLong |
| Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
| Created: | 2000-01-13 16:17:46 | Last modified: | 2010-08-06 11:01:04 |
| Access level: | the public | Released: | 2000-01-13 16:17:46 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 323. | D. T. Dockery. 1982. Lower Oligocene Bivalvia of the Vicksburg Group in Mississippi. Mississippi Department of Natural Resources Bureau of Geology 123:1-261 [L. Ivany/S. DeLong/M. Uhen] |