Central Whiskey Canyon, Garcia Formation, Collection 79: Desmoinesian, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Spiriferidae
Spirifer occidentalis Girty 1927
replaced by Anthracospirifer occiduus
Rhynchonellata - Athyridida - Athyrididae
Composita ovata Mather 1915
Composita subtilita (Hall 1852)
Strophomenata - Productida - Linoproductidae
Linoproductus cf. platyumbonus
Strophomenata - Productida - Productidae
Dictyoclostus sp.
see common names

Geography
Country:United States State/province:New Mexico County:Sierra
Coordinates: 33.2° North, 107.3° West (view map)
Paleocoordinates:3.0° South, 40.6° West
Geographic resolution:small collection
Time
Period:Carboniferous Epoch:Pennsylvanian
10 m.y. bin:Carboniferous 4-5
*Period:Middle Carboniferous - Late/Upper Carboniferous *Epoch:Des Moines
Key time interval:Desmoinesian
Age range of interval:312.70000 - 305.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Armendaris Formation:Garcia
Local section:Whiskey Canyon Local bed:Unit 79
Stratigraphic resolution:group of beds
Stratigraphy comments: Des Moines Series is divided into the Bolander Group and Armendaris Group; the latter contains 3 formations. Unit 79 = 5.0 ft.
Lithology and environment
Primary lithology:shelly/skeletal,gray lithified "limestone"
Lithology description: Unit 79: Limestone; top 2 feet light gray, coarse grained, crinoidal; upper foot with brachiopods; basal 3 feet gray, hard, dense, fine grained; 2 thin zones of dark-gray chert, 6 inches thick, near base
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:difficult macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Other than noting the presence of crinoids, only brachiopods reported.
Metadata
Database number:10078
Authorizer:T. Olszewski Enterer:K. Nell
Research group:marine invertebrate
Created:2001-02-13 12:02:00 Last modified:2003-07-18 18:05:03
Access level:the public Released:2001-02-13 12:02:00
Creative Commons license:CC BY
Reference information

Primary reference:

844. J. L. Gehrig. 1958. Middle Pennsylvanian Brachiopods From the Mud Springs Mountains and Derry Hills, New Mexico. State Bureau of Mines and Mineral Resources, Memoir 3 1-24 [T. Olszewski/K. Nell]