Fort Simpson Formation

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Thicknessup to 1,000 metres (3,280 ft)[1]
Fort Simpson Formation
Stratigraphic range: Late Devonian
TypeGeological formation
UnderliesJean Marie Member of the Redknife Formation
OverliesMuskwa Member of the Horn River Formation
Thicknessup to 1,000 metres (3,280 ft)[1]
Lithology
PrimaryShale
Location
Coordinates61°07′30″N 120°22′30″W / 61.12500°N 120.37500°W / 61.12500; -120.37500 (Briggs Turkey Lake No. 1)
RegionAlberta
British Columbia
Northwest Territories
CountryCanada
Type section
Named forFort Simpson, Northwest Territories
Named byA.E. Cameron, 1918

The Fort Simpson Formation is a stratigraphic unit of Devonian age in the Western Canadian Sedimentary Basin.

It takes the name from the settlement of Fort Simpson, and was first described in well Briggs Turkey Lake No. 1 (located south-east of Fort Simpson) by A.E. Cameron in 1918.[2]

The Fort Simpson Formation is composed of grey shale and mudstone.[1] The shale can be calcareous, silty or sandy.

Distribution

Relationship to other units

References

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