Groom Range, Carrara Fm, Desert Range Limestone Mbr. (USGS 3693-CO): Delamaran, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita
- Corynexochida
- Dolichometopidae
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Glossopleura ? walcotti
Poulsen 1927
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see common names |
Geography
Country: | United States | State/province: | Nevada |
Coordinates: | 37.5° North, 115.7° West (view map) | ||
Paleocoordinates: | 2.3° South, 94.0° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | outcrop |
Time
Period: | Cambrian | ||
10 m.y. bin: | Cambrian 3 | ||
Key time interval: | Delamaran | Trilobite zone: | Glossopleura |
Age range of interval: | 511 - 506.5 m.y. ago |
Stratigraphy
Formation: | Carrara | Member: | Desert Range Limestone | ||
Stratigraphic resolution: | member | ||||
Stratigraphy comments: This member includes thin beds rich in the disarticulated remains of species of Glossopleura at many localities. |
Lithology and environment
Primary lithology: | planar lamination,black "limestone" |
Secondary lithology: | dolomitic,red or brown "limestone" |
Lithology description: The Desert Range Limestone Member is typically a thinbedded black argillaceous limestone with orange dolomitic partings. | |
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: | 149575 | ||
Authorizer: | W. Kiessling | Enterer: | M. Krause |
Modifier: | J. Marcot | Research group: | micropaleontology |
Created: | 2013-08-10 02:03:06 | Last modified: | 2022-08-02 16:22:16 |
Access level: | authorizer only | Released: | 2013-11-10 02:03:06 |
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] |