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TitleGeology, Spray Lakes Reservoir, Alberta - British Columbia
AuthorMcMechan, M E
SourceGeological Survey of Canada, Canadian Geoscience Map 14, 2012, 1 sheet,
PublisherNatural Resources Canada
Maps1 map
Map Info.geological, bedrock geology, 1:50,000
ProjectionUniversal Transverse Mercator Projection, zone 11 (NAD83)
Mediaon-line; digital
RelatedThis publication is related to the following publications
File formatreadme
File formatpdf; rtf; xml; shp; JPEG2000
ProvinceBritish Columbia; Alberta
AreaSpray Lakes; Peter Lougheed Provincial Park; Spray Mountains; Banf National Park
Lat/Long WENS-115.5000 -115.0000 51.0000 50.7500
Subjectsstratigraphy; structural geology; bedrock geology; structural features; sedimentary rocks; dolostones; limestones; argillites; siltstones; grainstones; sandstones; Brazeau Formation; Wapiabi Formation; Gladstone Formation; Cadomin Formation; Pocaterra Creek Member; Kootenay Group; Fernie Formation; Whitehorse Formation; Sulphur Mountain Formation; Rocky Mountain Supergroup; Etherington Formation; Todhunter Member; Opal Member; Carnavon Member; Wileman Member; Baril Member; Salter Member; Loomis Member; Livingstone Formation; Mount Head Formation; Banff Formation; Exshaw Formation; Shunda Formation; Pekisko Formation; Cenozoic; Quaternary; Mesozoic; Cretaceous; Jurassic; Triassic; Paleozoic; Permian; Pennsylvanian; Mississippian; Devonian; Ordovician; Cambrian
ProgramSouthern Cordillera TGI-3, Targeted Geoscience Initiative (TGI-3), 2005-2010
Released2012 12 19
AbstractSpray Lakes Reservoir map area (NTS 82 J/14, 1:50 000 scale) straddles parts of the Foothills, Front Ranges, and Main Ranges subdivisions of the Southern Canadian Rocky Mountains from northeast to southwest. Four major thrust sheets (McConnell, Rundle, Sulphur Mountain, and Bourgeau) carrying Paleozoic carbonate and clastic strata and Mesozoic clastic strata dominate the structural geology. Imbricate thrust slices and duplexes are commonly developed along the leading edge of each major thrust sheet. Map relationships show significant displacement transfer and kinematic linkage occurred between individual thrust faults. The Paleozoic section thickens dramatically to the southwest across the map area. Folds dominate the structural style in the Bourgeau thrust sheet where Upper Devonian Fairholme Group strata have changed facies into basinal shale and thick sections of cleaved Ordovician strata are preserved. The Main Ranges transition occurs at a culmination in the Bourgeau thrust sheet and a change to a Lower Paleozoic level of exposure.