Elk Point Group

Elk Point Group
Elk Point Group
Stratigraphic range: Early to Middle Devonian PreꞒ Ꞓ O S D C P T J K Pg N
	Blue halite (Prairie Evaporite Formation, upper Elk Point Group, Middle Devonian) from Saskatchewan
Type	Geological formation
Sub-units	Upper and Lower Elk Point Group
Underlies	Beaverhill Lake Group, Manitoba Group
Overlies	Precambrian to Silurian formations
Thickness	up to 610 metres (2,000 ft)
Lithology
Primary	dolomite, halite, anhydrite
Other	Limestone, shale, potash
Location
Coordinates	53°54′19″N 110°37′49″W / 53.9053°N 110.6304°W
Region	Northern plains
Country	Canada United States
Type section
Named for	Elk Point
Named by	J.R. McGehee

The Elk Point Group is a stratigraphic unit of Early to Middle Devonian age in the Western Canada and Williston sedimentary basins. It underlies a large area that extends from the southern boundary of the Northwest Territories in Canada to North Dakota in the United States. It has been subdivided into numerous formations,^[4] number of which host major petroleum and natural gas reservoirs.^[5]

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^ Cite error: The named reference McGhee was invoked but never defined (see the help page).
^ Mossop, G.D. and Shetsen, I. (compilers). Canadian Society of Petroleum Geologists and Alberta Geological Survey (1994). "The Geological Atlas of the Western Canada Sedimentary Basin, Chapter 10: Devonian Elk Point Group of the Western Canada Sedimentary Basin". Retrieved 2016-06-20.{{cite web}}: CS1 maint: multiple names: authors list (link)
^ Mossop, G.D. and Shetsen, I. (compilers) Canadian Society of Petroleum Geologists (1994). "The Geological Atlas of the Western Canada Sedimentary Basin, Chapter 32: Oil and Gas Resources of the Western Canada Sedimentary Basin". Retrieved 2016-06-20.{{cite web}}: CS1 maint: multiple names: authors list (link)