Lynx Formation

Lynx Formation (Group) Stratigraphic range: Dresbachian PreЄ Є O S D C P T J K Pg N
Type	Geological formation
Underlies	Survey Peak Formation
Overlies	Arctomys Formation
Thickness	up to 1,220 metres (4,000 ft)[1]
Lithology
Primary	Limestone
Location
Coordinates	53°08′27″N 119°02′57″W / 53.1407°N 119.0492°WCoordinates: 53°08′27″N 119°02′57″W / 53.1407°N 119.0492°W
Region	WCSB
Country	Canada
Type section
Named for	Lynx Mountain
Named by	C.D. Walcott, 191`3

The Lynx Formation or Lynx Group is a stratigraphical unit of Dresbachian age in the Western Canadian Sedimentary Basin.

It takes the name from the Lynx Mountain, a 3,170 meters (10,400 ft) peak in the Cushina Ridge on the continental divide, and was first described on its slopes, east of Mount Robson, in the Canadian Rockies of British Columbia by C.D. Walcott in 1913.^[2] It was elevated to group status by J.D. Aitken and R.G. Greggs in 1967.^[3]

Lithology

The Lynx Formation is composed of argillaceous and dolomitic limestone. ^[1]

Distribution

The Lynx Formation Lateral reaches a maximum thickness of 1,220 metres (4,000 ft) in the continental ranges of the Canadian Rockies.^[1] It reaches as far north as the Monkman Pass.

Subdivisions

• Upper Lynx
  • Lyell Formation
  • Bison Creek Formation
  • Mistaya Formation
• Lower Lynx
  • Waterfowl Formation
  • Sullivan Formation

Relationship to other units

The Lynx Formation is overlain by the Survey Peak Formation and gradationally overlays the Arctomys Formation.^[1]

References

1. Lexicon of Canadian Geologic Units. "Lynx Formation". Retrieved 2010-02-01.
2. Walcott, C.D., 1913. Cambrian formations of the Robson Peak District, British Columbia and Alberta, Canada. Smithsonian Misc. Coll., v. 47, no. 12, p. 327-343.
3. Aitken, J. D and Greggs, R G., 1967 Upper Cambrian formations, southern Rocky Mountains of Alberta, an interim report. Geological Survey of Canada, Paper 66-49.