DeLong Mnt., Kogruk Fm, section 62C-15, 690 ft: Serpukhovian, Alaska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Stauriida - Lithostrotionidae
Lithostrotion (Siphonodendron) sinuosum (Kelly 1942)
see common names

Geography
Country:United States State/province:Alaska
Coordinates: 68.3° North, 163.4° West (view map)
Paleocoordinates:32.8° North, 11.0° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Mississippian
Stage:Serpukhovian 10 m.y. bin:Carboniferous 3
Key time interval:Serpukhovian
Age range of interval:330.90000 - 323.20000 m.y. ago
Stratigraphy
Geological group:Lisburne Formation:Kogruk
Local section:62C-15 Local bed:690 ft
Local order:top to bottom
Lithology and environment
Primary lithology:gray "limestone"
Secondary lithology: cherty/siliceous grainstone
Environment:deep subtidal shelf
Geology comments: Composed of carbonate rock deposited in normal-marine to shoaling-water environments. In outcrop the Kogruk Formation is medium- to massive-bedded light-olive-gray to medium-gray limestone and in places is cliff forming. It contains nodular to lenticular lightgray to dark-gray chert. The amount of chert, varies markedly at different horizons
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:158048
Authorizer:W. Kiessling Enterer:M. Krause
Research group:marine invertebrate
Created:2014-07-14 03:31:32 Last modified:2014-07-14 03:31:32
Access level:authorizer only Released:2014-10-14 03:31:32
Creative Commons license:CC BY
Reference information

Primary reference:
51907. A. K. Armstrong. 1970. Carbonate Facies and the Lithostrotionid Corals of the Mississippian Kogruk Formation, DeLong Mountains, Northwestern Alaska. Geological Survey Professional Paper 664 [W. Kiessling/M. Krause]