Sekwi Formation - collection 73057: Early Cambrian, Canada
collected by W. H. Fritz

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Redlichiida - Olenellidae
Olenellus sp. Hall 1861
1 specimen
Trilobita - Redlichiida - Wanneriidae
4 specimens
Trilobita - Corynexochida - Dorypygidae
9 specimens
see common names

Geography
Country:Canada State/province:Northwest Territories County:District of Mackenzie
Coordinates: 63.5° North, 128.7° West (view map)
Paleocoordinates:23.0° North, 132.2° West (Wright 2013)
Basis of coordinate:stated in text
Time
Period: Cambrian
10 m.y. bin: Cambrian 1-3
Key time interval: Early Cambrian Trilobite zone:  Bonnia-Olenellus
Age range of interval: 538.8 - 506.5 m.y. ago
Stratigraphy
Formation:Sekwi
Local section:Mackenzie Mountain Local bed:1722 ft
Local order:top to bottom
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:wavy/flaser/lenticular bedding,fine,gray,blue lithified "limestone"
Lithology description: Thin, wavy bedded, light blue-grey weathering limestone, finely crystaline and medium grey on fresh surfaces
Environment:marine indet.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:observed (not collected)
Reason for describing collection:biostratigraphic analysis
Museum repositories:GSC
Collectors:W. H. Fritz
Collection method comments: Trilobites only;collection 73057, 1722 ft above base of formation
Metadata
Database number:156185
Authorizer:M. Hopkins Enterer:S. Mahmood
Modifier:M. Uhen Research group:marine invertebrate
Created:2014-05-12 10:16:14 Last modified:2025-02-22 15:12:02
Access level:the public Released:2014-05-12 10:16:14
Creative Commons license:CC0
Reference information

Primary reference:
51093. W. H. Fritz. 1972. Lower Cambrian trilobites from the Sekwi Formation type section, northwestern Canada. In M. Rafuse (ed.), Geological Survey of Canada Bulletin 212 [M. Hopkins/S. Mahmood/S. Mahmood]