USGS Horn Island test hole, 371.3 ft [Graham Ferry Mbr, Pensacola Fm]: Pliocene, Mississippi
collected by USGS
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Cardiida
- Mactridae
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Rangia cuneata
(Sowerby 1831)
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Bivalvia
- Ostreida
- Ostreidae
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Ostreidae indet.
Rafinesque 1815
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Mississippi |
| Coordinates: | 30.2° North, 88.7° West (view map) | ||
| Paleocoordinates: | 30.4° North, 87.9° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Pliocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Pliocene | ||
| Age range of interval: | 5.33300 - 2.58000 m.y. ago |
Stratigraphy
| Formation: | Pensacola | Member: | Graham Ferry | ||
| Local section: | Horn Island | Local bed: | 371.3 ft | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Graham Ferry Mbr of the Pensacola Fm, for which lithostratigraphic relationships are not discussed. AGE: Late Pliocene, on the basis of macrofossils, pollen and foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: From unit 1, 371.3 ft. | |||||
Lithology and environment
| Primary lithology: | unlithified siltstone |
| Secondary lithology: | fine unlithified sandstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Silts and fine sands. LITHIFICATION: Unlithified, based on age. | |
| Environment: | estuary/bay |
| Geology comments: ENVIRONMENT: Estuarine environment. | |
Taphonomy
| Modes of preservation: | body,original aragonite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | core,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USGS |
| Collectors: | USGS |
| Collection method comments: COLLECTOR: USGS. REPOSITORY: USGS. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropods and bivalves. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature and species-resolution identifications where possible. | |
Metadata
| Database number: | 92530 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
| Created: | 2009-11-17 08:04:00 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-11-17 08:04:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 31190. | G. S. Gohn, G. L. Brewster-Wingard, T. M. Cronin, L. E. Edwards, T. G. Gibson, M. Rubin, and D. A. Willard. 1996. Neogene and Quaternary geology of a stratigraphic test hole on Horn Island, Mississippi Sound. United States Geological Survey Open File Report 96(20A) [A. Hendy/A. Hendy/P. Wagner] |