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Coalspur Formation information


Coalspur Formation
Stratigraphic range: Maastrichtian to Danian
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
TypeFormation
Unit ofSaunders Group
Sub-unitsCoalspur coal zone,
Entrance conglomerate
UnderliesPaskapoo Formation
OverliesBrazeau Formation
ThicknessUp to about 550 metres (1,800 ft)
Lithology
PrimarySandstone, siltstone, shale
OtherCoal, conglomerate, bentonite
Location
Coordinates53°00′N 116°48′W / 53.0°N 116.8°W / 53.0; -116.8
Approximate paleocoordinates60°36′N 91°36′W / 60.6°N 91.6°W / 60.6; -91.6
RegionCoalspur Formation Alberta
CountryCoalspur Formation Canada
ExtentWestern Canada Sedimentary Basin
Type section
Named forCoalspur, Alberta
Named byB.R. MacKay[1]
Year defined1949
Coalspur Formation is located in Canada
Coalspur Formation
Coalspur Formation (Canada)
Coalspur Formation is located in Alberta
Coalspur Formation
Coalspur Formation (Alberta)

The Coalspur Formation is an Upper Cretaceous to lower Palaeocene stratigraphic unit of the Western Canada Sedimentary Basin in the foothills of southwestern Alberta.[2] Its deposition spanned the time interval from latest Cretaceous (Maastrichtian) to early Palaeocene, and it includes sediments that were deposited before, during, and after the Cretaceous-Paleogene (K-Pg) extinction event. It includes the economically important coal deposits of the Coalspur Coal Zone, as well as nonmarine plant and animal fossils.

  1. ^ Mackay, B.R. 1949. Coal areas of Alberta. Geological Survey of Canada, Atlas to accompany estimate of coal reserves for the Royal Commission on Coal.
  2. ^ Mossop, G.D. and Shetsen, I. (compilers), Canadian Society of Petroleum Geologists (1994). "The Geological Atlas of the Western Canada Sedimentary Basin, Chapter 24: Upper Cretaceous and Tertiary strata of the Western Canada Sedimentary Basin". Archived from the original on 2016-07-01. Retrieved 2016-06-20.{{cite web}}: CS1 maint: multiple names: authors list (link)

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