Pictou Group

Pictou Group
Stratigraphic range: Late Carboniferous-Permian
Late Carboniferous–Permian

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Pictou Group; Stratigraphic range: Late Carboniferous-Permian; Late Carboniferous–Permian PreꞒ Ꞓ O S D C P T J K Pg N
	Pictou Group sandstone exposed in Prince Edward Island National Park
Type	Geological formation
Sub-units	, &
Underlies	-
Overlies	Cumberland &
Thickness	up to 3,000 metres (9,840 ft)
Lithology
Primary	Sandstone
Other	Mudstone, siltstone
Location
Coordinates	45°34′06″N 63°01′12″W / 45.56827°N 63.01994°WCoordinates: 45°34′06″N 63°01′12″W / 45.56827°N 63.01994°W
Region	Cumberland Basin
Country	Canada
Type section
Named for	Pictou County, Nova Scotia
Named by	W.A. Bell
Year defined	1926

The Pictou Group is a stratigraphical unit of Late Carboniferous to Permian age in the Cumberland Basin of Atlantic Canada.

It takes the name from Pictou County, Nova Scotia, and was first described in outcrop along the West Branch River John by W.A. Bell in 1926.^[2]

Lithology[]

The Pictou Group is composed of red beds sandstone, mostly subarkose and sublitharenite. Siltstone is also present, also rarely conglomerate and coal. Fossil remains include bivalves, ostracods, fish, amphibians and reptile fragments, as well as rare plant fragments. ^[1]

Distribution[]

The Pictou Group is present throughout the Maritimes Basin, thickness vary from 1,650 metres (5,410 ft) in Pictou County to 3,000 metres (9,840 ft) in Prince Edward Island.^[1]

Relationship to other units[]

Th Pictou Group contains the Balfron, the Tatamagouche, and the Cape John Formations.

The Formation is mostly exposed in outcrops or covered with glacial till. It unconformably overlays the Carboniferous Cumberland Group or the Mississippian .^[1]

It is equivalent to the of Cape Breton Island and on central Nova Scotia. The Pictou Group is also a synonym to the Prince Edward Island Group (include the Miminegash, Egmont Bay, Kildare Capes, Hillsborough River and Orby Head formations.

References[]

^ ^a ^b ^c ^d Lexicon of Canadian Geologic Units. "Pictou Group". Archived from the original on 2013-06-18. Retrieved 2013-06-16.
^ Bell, W.A., 1926. Carboniferous formations of Northumberland Strait, Nova Scotia: Geological Survey of Canada, Summary Report for 1924, Part C, pp. 142C-180C.

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[lexicon-1] Lexicon of Canadian Geologic Units. "Pictou Group". Archived from the original on 2013-06-18. Retrieved 2013-06-16.

[2] Bell, W.A., 1926. Carboniferous formations of Northumberland Strait, Nova Scotia: Geological Survey of Canada, Summary Report for 1924, Part C, pp. 142C-180C.

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