Sta. 12011 - Johns Island [Hawthorn Fm]: Early/Lower Miocene, South Carolina
collected by Cooke 1929
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Neogastropoda
- Marginellidae
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Marginella sp.
Lamarck 1799
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Bivalvia
- Nuculanida
- Nuculanidae
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Leda aff. flexuosa
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| synonym of Nuculana | |||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia granulata
Say 1824
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| recombined as Cyclocardia granulata | |||||||
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Bivalvia
- Cardiida
- Veneridae
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Antigona (Artena) undulata
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| original and current combination Artena | |||||||
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Bivalvia
- Pectinida
- Pectinidae
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Pecten sp.
Müller 1776
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| see common names | |||||||
Geography
| Country: | United States | State/province: | South Carolina | County: | Charleston |
| Coordinates: | 32.7° North, 80.0° West (view map) | ||||
| Paleocoordinates: | 33.0° North, 75.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Early/Lower Miocene | ||
| Age range of interval: | 23.03000 - 15.98000 m.y. ago |
Stratigraphy
| Formation: | Hawthorn | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Hawthorn Fm, which presumably regionally unconformably overlies Eocene units, and is regionally unconformaly overlain by the Rayso Marl. AGE: Early Miocene. STRATIGRAPHIC POSITION: From unknown position within formation. | |||||
Lithology and environment
| Primary lithology: | lithified marl |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Marl. LITHIFICATION: Lithified, on the basis of facies description. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Shallow marine, shelfal siliciclastic. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Fragmentation: | frequent |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | biostratigraphic analysis | ||
| Collectors: | Cooke | Collection dates: | 1929 |
| Collection method comments: COLLECTORS: C.W. Cooke, 1929. REPOSITORIES: Unknown. | |||
| Taxonomic list comments:COVERAGE: Exhaustive for bivalves and gastropods. NOMENCLATURE: Identified by W.C. Mansfield; not an authoritative publication and with antiquated nomenclature but with species-resolution identifications. Nomenclature updated with subsequent publications. | |||
Metadata
| Database number: | 92431 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
| Created: | 2009-11-12 13:36:56 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-11-12 13:36:56 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 31145. | C. W. Cooke. 1936. Geology of the Coastal Plain of South Carolina. United States Geological Survey Bulletin 837 [A. Hendy/A. Hendy] |