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TitleMount Meager Volcanic Complex, Garibaldi Volcanic Belt, British Columbia: expanded bedrock map including Cracked Mountain, north Lillooet Ridge, and west Mount Meager
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorHarris, M; Russell, J K; Muhammad, M; Williams-Jones, G
SourceGeological Survey of Canada, Open File 8881, 2022, 1 sheet, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatreadme
File formatpdf; rtf; tif; gdb (ESRI® ArcExplorer(TM) / ArcReader(TM)); xlsx (Microsoft® Excel®); jpg; shp (ESRI® ArcExplorer(TM) / ArcReader(TM))
ProvinceBritish Columbia
NTS92J/11; 92J/12
AreaMount Meager
Lat/Long WENS-123.6664 -123.3667 50.7481 50.5242
Subjectsregional geology; geochronology; surficial geology/geomorphology; Science and Technology; Nature and Environment; Health and Safety; volcanology; volcanoes; volcanic features; bedrock geology; lithology; igneous rocks; volcanic rocks; rhyodacites; lava flows; volcanic ash; basalts; breccias, volcanic; tuffs; andesites; dacites; rhyolites; intrusive rocks; granodiorites; metamorphic rocks; schists; amphibolites; gneisses; metasedimentary rocks; marbles; landslides; glacial deposits; tills; radiometric dating; argon argon dates; Garibaldi Volcanic Belt; Mount Meager Volcanic Complex; Coast Plutonic Complex; Cascade Volcanic Arc; Cracked Mountain Assemblage; Mosaic Assemblage; East Lillooet Ridge Volcanic Assemblage; West Lillooet Ridge Volcanic Assemblage; Natural hazards; geological contacts; alluvial sediments; colluvial and mass-wasting deposits; Phanerozoic; Cenozoic; Quaternary; Tertiary; Mesozoic; Cretaceous; Jurassic; Triassic
Illustrationslocation maps; geoscientific sketch maps; tables; lithologic sections
ProgramEnergy Geoscience Geothermal Energy
Released2022 05 02
Summary(Plain Language Summary, not published)
Mount Meager, of southwestern British Columbia, is Canada's largest and most active volcano. The area surrounding Meager also hosts numerous young volcanic deposits, and collectively this region is known as the Mount Meager volcanic complex (MMVC). Through renewable energy initiatives, the Canadian government has funded research aimed at assessing the geothermal potential of the MMVC. Here, we present the results of the MMVC bedrock mapping component of the geothermal initiative comprising four new geologic maps: 1) A regional MMVC map that shows the contact locations of volcanic rocks with the underlying basement rocks; 2) A detailed map of the western MMVC; 3) A detailed map and volcanic stratigraphy of a newly identified volcano, Cracked Mountain, in the southwestern MMVC; and 4) A detailed map of the Lillooet Ridge in the northern MMVC. Additionally, this study presents eleven new eruptive ages for volcanic deposits, which bolsters the understanding of eruptive frequency in this region of interest. Overall, this contribution will be used to generate subsurface models addressing the geothermal potential of the MMVC.

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