Wapiti Group

Wapiti Group
Wapiti Group
Stratigraphic range: Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological group
Underlies	Scollard Formation
Overlies	Smoky Group, Kotaneelee Formation
Lithology
Primary	Sandstone
Other	Conglomerate, coal
Location
Coordinates	55°06′N 118°18′W / 55.1°N 118.3°W
Region	Alberta, British Columbia
Country	Canada
Type section
Named for	Wapiti River
Named by	G M Dawson, 1881

The Wapiti Group is a stratigraphical unit of Cretaceous age in the Western Canadian Sedimentary Basin. It has formation status in Alberta and group status in British Columbia.

It takes the name from the Wapiti River, and was first described along the banks of the lower Wapiti River and Smoky River in the Grande Prairie area by George Mercer Dawson in 1881.^[1]

Lithology[edit]

The Wapiti Group is composed of thin-bedded to massive sandstone with occasional conglomerate and coal beds.^[2]

Distribution[edit]

The Wapiti Formation occurs at surface as erosional remnants in north-eastern British Columbia along the Beaver River, Liard River, between the Kotaneelee River and Petitot River.^[2] It reaches a thickness of several hundred meters.

Relationship to other units[edit]

The Wapiti Group forms the present day erosional surface in British Columbia, and is overlain by the Scollard Formation in its eastern reaches. It conformably and gradually overlays the Kotaneelee Formation in British Columbia, and the Smoky Group in north-western Alberta.^[2]

References[edit]

^ Dawson, G.M., 1881. Report on the exploration from Port Simpson on the Pacific Coast to Edmonton on the Saskatchewan River, Embracing a portion of the northern part of British Columbia and the Peace River country, with Maps 150 and 152; Geological Survey of Canada, Report of Progress 1879-1880, Part B, p. 1-77.
^ ^a ^b ^c Lexicon of Canadian Geologic Units. "Wapiti Group". Retrieved 2009-12-16.

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[1] Dawson, G.M., 1881. Report on the exploration from Port Simpson on the Pacific Coast to Edmonton on the Saskatchewan River, Embracing a portion of the northern part of British Columbia and the Peace River country, with Maps 150 and 152; Geological Survey of Canada, Report of Progress 1879-1880, Part B, p. 1-77.

[lexicon-2] Lexicon of Canadian Geologic Units. "Wapiti Group". Retrieved 2009-12-16.

[1]

[2]

v t e Western Canadian Sedimentary Basin
Hydrocarbon history	Oil sands and heavy oil Frontier exploration and development Natural gas liquids Natural gas
Depositional regions	Southern Alberta Central Alberta Northwestern Alberta Plains South-central Canadian Rockies foothills North-east Plains North-central foothills Liard River Fort Nelson Northern Rocky Mountains Fort St. John Saskatchewan Western Manitoba
Liard River area	Wapiti GRP Kotaneelee FM Dunvegan FM Ft. St. John GRP Sully FM SikanniFM Lepine FM Buckinghorse FM Scatter FM Garbutt FM Liard FM Toad FM Grayling FM Ishbel GRP Fantasque FM Kindle FM Mattson FM Golata FM Debolt FM Prophet FM Besa River FM Dunedin FM Stone FM Wokpash FM Muncho-McConnell FM Nonda FM Kechica FM Atan FM Canadian Shield
Fort Nelson area	Wapiti GRP Kotaneelee FM Dunvegan FM Ft. St. John GRP Sully FM SikanniFM Buckinghorse FM Scatter FM Belloy FM Rundle GRP Debolt FM Shunda FM Pekisko FM Banff FM Exshaw FM Kotcho FM Tetcho FM Trout River FM Kakisa FM Redknife FM Jean Marie MBR Fort Simpson FM Horn River FM Muskwa FM Waterways FM Slave Point FM Watt Mountain FM Muskeg FM Sulphur Point FM Presqu'ile FM Pine Point FM Keg River FM Chinchaga FM Canadian Shield
Northwest plains	Paskapoo FM Scollard FM Wapiti GRP Smoky GRP Puskwaskau FM Badheart FM Muskiki FM Cardium FM Kaskapau FM Pouce Coupe MBR Doe Creek MBR Dunvegan FM Fort St. John GRP Shaftesbury FM Peace River FM Spirit River FM Bullhead GRP Bluesky FM Gething FM Cadomin FM Nikanassin FM Fernie GRP Rock Creek MBR Poker Chip Shale Nordegg MBR Schooler Creek GRP Baldonnel FM Charlie Lake FM Halfway FM Doig FM Montney FM Belloy FM Stoddart GRP Taylor Flat FM Kiskatinaw FM Golata FM Rundle GRP Debolt FM Shunda FM Pekisko FM Banff FM Exshaw FM Wabamun FM Trout River FM Kakisa FM Redknife FM Jean Marie MBR Woodbend GRP Irteton FM Fort Simpson FM Leduc FM Duvernay FM Cooking Lake FM Beaverhill Lake GRP Waterways FM Swan Hills FM Fort Vermilion FM Elk Point GRP Watt Mountain FM Gillwood MBR Presqu’ile FM Sulphur Point FM Pine Point FM Muskeg FM Zama MBR Black Shale Keg River FM Rainbow MBR Chinchaga FM Cold Lake FM Ernestina FM Basal Red Beds Granite Wash Canadian Shield