Groom Range, Carrara Fm, Gold Ace Limestone Mbr., a: Dyeran, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Redlichiida
- Biceratopsidae
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Bristolia anteros
Palmer and Halley 1979
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada |
| Coordinates: | 37.5° North, 115.7° West (view map) | ||
| Paleocoordinates: | 2.5° South, 95.5° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| 10 m.y. bin: | Cambrian 2-3 | ||
| Key time interval: | Dyeran | Trilobite zone: | Olenellus |
| Age range of interval: | 514.8 - 511 m.y. ago |
Stratigraphy
| Formation: | Carrara | Member: | Gold Ace Limestone |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | lime mudstone |
| Lithology description: The bulk of the Gold Ace Limestone Member is a microspar limestone, presumed to have been a lime mudstone or a pelleted lime mudstone when deposited. | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 149558 | ||
| Authorizer: | W. Kiessling | Enterer: | M. Krause |
| Modifier: | J. Marcot | Research group: | micropaleontology |
| Created: | 2013-08-09 20:28:12 | Last modified: | 2022-08-02 15:49:38 |
| Access level: | authorizer only | Released: | 2013-11-09 20:28:12 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 47804. | A. R. Palmer and R. B. Halley. 1979. Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin. United States Geological Survey Professional Paper 1047:1-131 [W. Kiessling/M. Krause/J. Ju] |