Drill hole CW 63 (61-109 ft) - Bear Bluff Fm: Pliocene, North Carolina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Pectinida
- Pectinidae
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Amusium mortoni
(Ravenel 1844)
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Thecostraca
- Balanomorpha
- Balanidae
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Balanus sp.
Da Costa 1778
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| see common names | |||||||
Geography
| Country: | United States | State/province: | North Carolina | County: | Bruswick |
| Coordinates: | 34.1° North, 78.3° West (view map) | ||||
| Paleocoordinates: | 34.1° North, 77.4° West | ||||
| Geographic resolution: | small collection |
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: | CW 63 | Local bed: | 85 ft | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: From 61-109 ft in the core (collar elevation at 60 ft). From Bear Bluff Formation (Pliocene?). Sample thickness is 48 ft. Unconformity seperates this bed from overlying Pleistocene unit. Basinal/regional section name: Brunswick. | |||||
Lithology and environment
| Primary lithology: | pebbly,gray lithified calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: Sandstone, very calcareous, pebbly, light olive gray (5 Y 6/1), fossils abundant but preserved primarily as molds. | |
| 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,difficult macrofossils |
| Collection methods: | core,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: Several taxa present, but only a few listed, also present are branching cheilostomes, echinoid plates and spines. | |
| Taxonomic list comments:Not exhaustive for mollusca, with excellent nomenclature. | |
Metadata
| Database number: | 60900 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
| Created: | 2006-05-27 14:23:41 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2006-05-27 14:23:41 |
| 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] |