D 731 CO: Whiterockian, Nevada
collected by J. Ross, Jr.

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Rafinesquinidae
? Macrocoelia sp.
Anthozoa - Lichenariida - Lichenariidae
"Lichenaria" sp. Winchell and Schuchert 1895
see common names

Geography
Country:United States State/province:Nevada County:Nye
Coordinates: 37.1° North, 116.5° West (view map)
Paleocoordinates:6.4° South, 82.2° 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:  O?
Age range of interval: 470 - 457 m.y. ago
Stratigraphy
Geological group:Pogonip Formation:Antelope Valley Member:Unit I
Regional section:Nevada Test Site Regional bed:5 ft
Regional order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Whiterockian. Unit I of Johnson and Hibbard, 1957
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: thin-bedded
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 162
Database number:104303
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 17:22:45
Access level:the public Released:2011-02-07 12:04:21
Creative Commons license:CC BY
Reference information

Primary reference:
25410. R. J. Ross, Jr. and C. R. Longwell. 1964. Middle and Lower Ordovician Formations in Southernmost Nevada and Adjacent California. United States Geological Survey Bulletin 1180-C:C1-C101 [S. Finnegan/S. Finnegan/J. Marcot]