Nolichucky Fm: Steptoean, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cystoidea
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Cystoidea indet.
von Buch 1846
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Lingulata
- Lingulida
- Obolidae
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Dicellomus appalachia
Walcott 1905
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unclassified
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cf. Grenevievella sp.
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Marvillia bristolensis
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Trilobita
- Ptychopariida
- Tricrepicephalidae
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Tricrepicephalus cedarensis
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Tricrepicephalus simplex
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Trilobita
- Ptychopariida
- Crepicephalidae
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? Coosia alethes
(Walcott 1916)
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Crepicephalus rectus
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Trilobita
- Ptychopariida
- Norwoodiidae
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Norwoodella saffordi
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Trilobita
- Asaphida
- Asaphidae
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Coosia calanus
(Walcott 1916)
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Trilobita
- Olenida
- Aphelaspidae
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Aphelaspis ? quadrata
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Trilobita
- Olenida
- Asaphiscidae
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Blountiella ? buttsi
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Geography
| Country: | United States | State/province: | Virginia | County: | Washington |
| Coordinates: | 36.8° North, 82.3° West (view map) | ||||
| Paleocoordinates: | 29.6° South, 85.0° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | local area |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| *Period: | Late/Upper Cambrian | *Epoch: | Late |
| Key time interval: | Steptoean | ||
| Age range of interval: | 497 - 493 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Nolichucky |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | ooidal,gray argillaceous,conglomeratic "shale" |
| Secondary lithology: | "limestone" |
| Lithology description: gray-green, silty, fissile shale; blue-gray, argillaceous, very thin to med bedded limestone with some limestone pebble conglomerate; northern area oolitic limestone. | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 6960 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Collections that are a subset of this one: | |||
| Created: | 2000-04-14 16:51:25 | Last modified: | 2009-06-12 01:23:14 |
| Access level: | the public | Released: | 2000-04-14 16:51:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 437. | C. S., J.r. Bartlett and H. W. Webb. 1971. Geology of the Bristol and Wallace quadrangles, Virginia. Virginia Division of Mineral Resources Report of Investigations 25:1-93 [J. Alroy/M. Sommers/P. Wagner] |