Sekwi Formation
The Sekwi Formation is a geologic formation in Northwest Territories, Canada. It preserves fossils dating back to the Cambrian period.
| Sekwi Formation | |
|---|---|
| Stratigraphic range: ; Fallotaspis, Nevadella, and Bonnia-Olenellus trilobite zones[2] | |
| Type | Formation |
| Underlies |
|
| Overlies |
|
| Thickness | 700 m[2] |
| Location | |
| Region | Northwest Territories |
| Country | Canada |
The formation principally comprises shallow water carbonates, but deepens to include mid-shelf mudstones, both calcareous and siliciclastic.[2]
It dates from c. 525-510 Ma, the Nevadella / Bonnia-Olenellus trilobite zones.[3]
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): 987–996. doi:10.1666/0022-3360(2005)079[0987:NCFTEC]2.0.CO;2.
- . doi:10.1016/j.palaeo.2007.02.031.
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- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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