D1579 CO: Rangerian, Nevada
collected by J. Ross, Jr.
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
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Cephalopoda indet.
Cuvier 1797
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Rhynchonellata
- Orthida
- Orthidiellidae
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Orthidiella carinata
Ulrich and Cooper 1938
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Clark |
| Coordinates: | 37.3° North, 115.8° West (view map) | ||||
| Paleocoordinates: | 6.5° South, 83.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| Stage: | Floian | 10 m.y. bin: | Ordovician 2 |
| Key time interval: | Rangerian | Trilobite zone: | L |
| Age range of interval: | 470.00000 - 469.10000 m.y. ago |
Stratigraphy
| Geological group: | Pogonip | Formation: | Antelope Valley | Member: | Lower |
| Regional section: | Southeast End, Groom Range (Ross, 1970) | Regional bed: | 1081 ft | ||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Whiterockian; Rangerian | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" | ||
| Lithology description: medium-bedded; coarse and fine grained, girvanella, Receptaculites common | |||
| Environment: | shallow subtidal indet. | Tectonic setting: | passive margin |
| Geology comments: carbonate platform | |||
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | bulk,field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collectors: | J. Ross, Jr. |
Metadata
| Also known as: | SF 74 | ||
| Database number: | 104425 | ||
| Authorizer: | S. Finnegan | Enterer: | S. Finnegan |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2011-02-07 12:04:21 | Last modified: | 2023-09-05 17:36:24 |
| Access level: | the public | Released: | 2011-02-07 12:04:21 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 25411. | R. J., J.r. Ross. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639:1-99 [S. Finnegan/S. Finnegan/P. Wagner] |