Sekwi Formation

The Sekwi Formation is a geologic formation in Northwest Territories. It preserves fossils dating back to the Cambrian period.

Sekwi Formation Stratigraphic range: Atdabanian[1] (approx.) PreꞒ Ꞓ O S D C P T J K Pg N ↓ ; Fallotaspis, Nevadella, and Bonnia-Olenellus trilobite zones[2]
Type	Formation
Underlies	Hess River Formation Rockslide Formation
Overlies	Vampire Formation Backbone Ranges Formation Ingta Formation (where the above are absent)[2]
Thickness	700 m[2]
Location
Region	Northwest Territories
Country	Canada

It principally comprises shallow water carbonates, but deepens to include mid-shelf mudstones, both calcareous and siliciclastic.[2]

See also

• List of fossiliferous stratigraphic units in Northwest Territories

References

1. Dewing, K.; Sharp, R J; Ootes, L; Turner, E C; Gleeson, S. Geological Survey of Canada, Current Research (Online) no. 2006-A4.
2. RANDELL, ROBERT D.; LIEBERMAN, BRUCE S.; HASIOTIS, STEPHEN T.; POPE, MICHAEL C. (September 2005). "New Chancelloriids From the Early Cambrian Sekwi Formation With a Comment on Chancelloriid Affinities". Journal of Paleontology. 79 (5): 987–996. doi:10.1666/0022-3360(2005)079[0987:NCFTEC]2.0.CO;2.

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.