D1608 CO: Whiterockian, Nevada
collected by J. Ross, Jr.

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Murchisoniina - Murchisoniidae
? Murchisonia sp. d'Archiac and de Verneuil 1841
Hormotoma?
Gastropoda - Euomphalina - Macluritidae
? Maclurites sp. Le Sueur 1818
see common names

Geography
Country:United States State/province:Nevada County:Nye
Coordinates: 39.0° North, 116.6° West (view map)
Paleocoordinates:5.8° South, 80.4° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Ordovician
10 m.y. bin:Ordovician 2-4
Key time interval:Whiterockian Brachiopod zone: M?
Age range of interval:470.00000 - 457.00000 m.y. ago
Stratigraphy
Geological group:Pogonip Formation:Antelope Valley
Local section:Ikes Canyon, Toquima Range Local bed:320-323 ft
Local order:bottom to top
Regional order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Whiterockian; no formal stage
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: crystalline; cephalopods
Environment:deep subtidal shelf Tectonic setting:passive margin
Geology comments: middle shelf
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 117
Database number:104463
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 14:27:48
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]