Luscar Group | |
---|---|
Stratigraphic range: | |
Type | Group |
Sub-units | Cadomin Formation, Gladstone Formation, Moosebar Formation, Gates Formation |
Underlies | Blackstone Formation, Shaftesbury Formation |
Overlies | Nikanassin Formation, Minnes Group |
Thickness | about 145 m (480 ft) |
Lithology | |
Primary | Sandstone, siltstone, mudstone |
Other | Coal, conglomerate |
Location | |
Coordinates | 53°01′57″N 117°19′35″W / 53.03246°N 117.32652°W |
Region | Alberta |
Country | Canada |
Type section | |
Named for | Luscar, Alberta |
Named by | C.W. Langenberg and M.E. McMechan, 1985[1] |
The Luscar Group is a geologic unit of Early Cretaceous age in the Western Canada Sedimentary Basin that is present in the foothills of southwestern Alberta.[1][2] It is subdivided into a series of formations, some of which contain economically significant coal deposits that have been mined near Cadomin and Luscar.[3] Coal mining in those areas began in the early 1900s[4] and continues near Luscar as of 2016.
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