Lynton Slates Site C: Late/Upper Emsian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida
Strophomenida indet. Opik 1934
Strophomenata - Strophomenida - Chonetidae
? Chonetes sarcinulatus
Rhynchonellata - Spiriferida
Spiriferacea indet. King 1846
corrected as Spiriferoidea
Bivalvia - Ostreida - Pterineidae
? Ptychopteria (? Actinopteria) sp. (Hall 1884)
original and current combination Actinopteria
Bivalvia - Grammysiidae
? Prothyris plicata
Crinoidea
Crinoidea indet. Miller 1821
see common names

Geography
Country:United Kingdom State/province:England
Coordinates: 51.2° North, 3.8° West (view map)
Paleocoordinates:29.1° South, 2.1° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Devonian Epoch:Early/Lower Devonian
Stage:Emsian 10 m.y. bin:Devonian 2
Key time interval:Late/Upper Emsian
Age range of interval:402.50000 - 391.90000 m.y. ago
Stratigraphy
Formation:Lynton Slates
Stratigraphic resolution:formation
Stratigraphy comments: "probable late Emsian age"
Lithology and environment
Primary lithology:gray silty slate
Secondary lithology:gray sandstone
Lithology description: "The Lynton Slates comprise grey and dark grey silty slates with mudstones, siltstones and grey sandstones, usually fine to medium grained...In general the lower part...is sandy or silty, but with significant argilllites, and the upper part is predominantly argillaceous except at the top, where sandstones, possibly beach deposits, herald the transition into the overlying Hangman Grits..."
Environment:marine indet.
Geology comments: interpreted as shallow-marine sediments, representing alternating periods of quieter water and more active deposition
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:38385
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2004-04-21 09:28:01 Last modified:2006-09-13 14:01:03
Access level:the public Released:2004-04-21 09:28:01
Creative Commons license:CC BY
Reference information

Primary reference:

10303. E. A. Edmonds, A. Whittaker, and B. J. Williams. 1985. Geology of the country around Ilfracombe and Barnstaple (Memoirs of the British Geological Survey for 1:50000 sheets 277 and 293, new series) 1-97 [M. Foote/M. Foote/M. Foote]