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.); Fallotaspis, Nevadella, and Bonnia-Olenellus trilobite zones[2] | |
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Type | Formation |
Underlies |
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Overlies |
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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]
References
- Dewing, K.; Sharp, R J; Ootes, L; Turner, E C; Gleeson, S. Geological Survey of Canada, Current Research (Online) no. 2006-A4.
- 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): 987β996. 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.
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