GSC #73873 - Caribou Pass: Atdabanian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Tabulaconida - Tabulaconidae
Archaeocyatha - Ajacicyathida - Sajanocyathidae
Archaeocyatha - Ajacicyathida - Bronchocyathidae
Gordonicyathus dorfi Handfield 1971
Archaeocyatha - Ajacicyathida - Fallocyathidae
Archaeocyatha - Ajacicyathida - Ethmophyllidae
Archaeocyatha - Monocyathida - Globosocyathidae
Archaeocyatha - Archaeocyathida - Claruscoscinidae
see common names

Geography
Country:Canada State/province:Northwest Territories
Coordinates: 63.5° North, 129.6° West (view map)
Paleocoordinates:40.7° North, 115.6° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cambrian Epoch: Series 2
Stage: Stage 3 10 m.y. bin: Cambrian 2
Key time interval: Atdabanian
Age range of interval: 521 - 516 m.y. ago
Stratigraphy
Formation:Sekwi Fm
Local section:Caribou Pass
Local order:bottom to top
Regional section:MacKenzie Mountains
Stratigraphic resolution:bed
Stratigraphy comments: Sekwi Formation
Lithology and environment
Primary lithology: silty lime mudstone
Includes fossils?Y
Lithology description: Light grey calcilutite
Environment:deep subtidal indet.
Geology comments: Presence of blue-green algae suggests a water depth less than 50 m, and preservation of laminations of spicules suggests that bottom currents were weak to absent.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Collection method comments: Collections made by Handfield during 1965 and 1966. Collections are reposited at Geological Survey of Canada
Taxonomic list comments:Exhaustive for archaeocyathids; some trilobites
Metadata
Also known as:73873
Database number:49027
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2005-04-05 19:11:41 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-04-05 19:11:39
Creative Commons license:CC0
Reference information

Primary reference:
13072. R. C. Handfield. 1971. Archaeocyatha from the MacKenzie and Cassiar Mountains, Northwest Territories, Yukon Territory and British Columbia. Geological Survey of Canada Bulletin 201:1-119 [A. Miller/A. Hendy/A. Hendy]