Groom Range, Carrara Fm, Thimble Limestone Mbr., (USGS 3694-CO): Dyeran, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Redlichiida - Biceratopsidae
Bristolia fragilis Palmer and Halley 1979
Bristolia anteros Palmer and Halley 1979
Trilobita - Redlichiida - Olenellidae
Olenellus clarki (Resser 1928)
Peachella iddingsi (Walcott 1884)
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:Thimble Limestone
Stratigraphic resolution:member
Lithology and environment
Primary lithology:dolomitic,black,brown argillaceous "limestone"
Lithology description: The Thimble Limestone Member is characterized by black, brown, and orange thin-bedded argillaceous dolomitic limestone which varies in argillaceous content throughout the study area.
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:149555
Authorizer:W. Kiessling Enterer:M. Krause
Modifier:J. Marcot Research group:marine invertebrate
Created:2013-08-09 19:52:59 Last modified:2022-08-02 15:48:46
Access level:authorizer only Released:2013-11-09 19:52:59
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]