Locality WA 16 - Unit 1 (Bear Bluff Fm): Pliocene, North Carolina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula fornicata
(Linnaeus 1758)
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea disparilis
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys eboreus
(Conrad 1833)
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| recombined as Carolinapecten eboreus | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | North Carolina | County: | Columbus |
| Coordinates: | 34.3° North, 78.5° West (view map) | ||||
| Paleocoordinates: | 34.4° North, 77.7° West | ||||
| 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: | Bear Bluff | ||||
| Local section: | Weavers Landing | Local bed: | .5 ft | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: From unit 1, ?Pliocene age Bear Bluff Fm. Unit 1 is a 1 ft thick calcarenite, the basal unit of the Bear Bluff Fm at the base of the section (lake shore), and is overlain by Units 2 and 3 (6 ft) of the Bear Bluff Fm. Basinal/regional section name: Columbus | |||||
Lithology and environment
| Primary lithology: | brown,gray,yellow lithified calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: Calcarenite, sand fraction mostly quartz, fine, subangular to subrounded, slightly to moderately frosted, hard, very pale yellowish brown, molds of mollusks fairly common. | |
| Environment: | coastal indet. |
| Geology comments: No environmental information reported. | |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | poor |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: Only three taxon listed, but others mentioned to be present in this unit. | |
| Taxonomic list comments:Not exhaustive for mollusca, but containing common forms, with excellent nomenclature. | |
Metadata
| Database number: | 60903 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
| Created: | 2006-05-27 14:43:01 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2006-05-27 14:43:01 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17556. | J. R. DuBar. 1971. Neogene Stratigraphy of the lower Coast Plain of the Carolinas. Atlantic Coastal Plain Geological Association 12th Annual Field Conference [A. Miller/A. Hendy] |