Anticosti Island, Jupiter River, Gun River Formation: Alexandrian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
Anthozoa indet. Ehrenberg 1834
unclassified
Brachiopoda indet. Cuvier 1805
see common names

Geography
Country:Canada State/province:Québec
Coordinates: 49.5° North, 63.6° West (view map)
Paleocoordinates:22.1° South, 87.0° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Silurian Epoch: Llandovery
10 m.y. bin: Silurian 1
*Period:Early/Lower Silurian *Local age/stage:Alexandrian - Niagaran
Key time interval: Alexandrian
Age range of interval: 443.8 - 438.7 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Anticosti Formation:Gun River Member:lower
Stratigraphic resolution:member
Lithology and environment
Primary lithology:gray argillaceous lime mudstone
Secondary lithology:gray calcareous "shale"
Includes fossils?Y
Includes fossils?Y
Lithology description: Argillaceous, gray-brown lime mudstone with brown, skeletal wackestone to packstone and intrarudstone (conglomerate), interbedded with thin beds of gray calcareous shale to argillaceous lime mudstone, commonly burrowed.
Environment:carbonate indet.
Geology comments: Environmental call by T. Hanson
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Brachiopods and corals dominate.
Metadata
Database number:24409
Authorizer:S. Holland Enterer:T. Hanson
Modifier:T. Hanson Research group:marine invertebrate
Created:2002-08-06 22:14:07 Last modified:2025-02-22 15:12:02
Access level:the public Released:2002-08-06 22:14:07
Creative Commons license:CC0
Reference information

Primary reference:
6866. C. R. Barnes, A. A. Petryk, and T. E. Bolton. 1981. Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:1-24 [S. Holland/T. Hanson/S. Bruning]