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TitleReconnaissance surficial geology, Grizzly Bear Mountain, Northwest Territories, NTS 96-H
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorKerr, D E; O'Neill, H BORCID logo
SourceGeological Survey of Canada, Canadian Geoscience Map 425, 2021, 1 sheet, Open Access logo Open Access
LinksSurficial geology map collection
LinksCollection de données de géologie de surface
PublisherNatural Resources Canada
Maps1 map
Map Info.surficial geology, sediments, landforms, features, 1:125,000
ProjectionUniversal Transverse Mercator Projection, UTM zone 10 (NAD83)
Mediaon-line; digital
File formatreadme
File formatpdf; rtf; gdb (ESRI® ArcGIS(TM) v.10.x); shp (ESRI® ArcGIS(TM) v.10.x); xml (ESRI® ArcGIS(TM) v.10.x); mxd (ESRI® ArcGIS(TM) v.10.x); xls (Microsoft® Excel® 2010)
ProvinceNorthwest Territories
AreaGrizzly Bear Mountain
Lat/Long WENS-122.0000 -120.0000 66.0000 65.0000
Subjectssurficial geology/geomorphology; Nature and Environment; Science and Technology; postglacial deposits; organic deposits; dunes; landslide deposits; slumps; alluvial fans; glacial deposits; glacial landforms; glacial features; glacial lakes; ice contact deposits; tills; kettles; meltwater channels; paleocurrents; eskers; moraines; moraine, ribbed; moraine, end; beach ridges; strandlines; drumlinoids; drumlins; crag and tail; glacial flutings; kames; terraces; scarps; escarpments; clays; silts; sands; gravels; boulders; permafrost; ground ice; periglacial features; thermokarst; patterned ground; glacial history; glaciation; Wisconsinian glacial stage; ice flow; deglaciation; shoreline changes; isostatic rebound; crustal uplift; emergence; submergence; depositional environment; paleodrainage; Ancestral Great Bear Lake; Glacial Lake McConnell; eolian sediments; colluvial and mass-wasting deposits; alluvial sediments; alluvial floodplain sediments; alluvial terraced sediments; lacustrine sediments; lacustrine deltaic sediments; glaciolacustrine sediments; glaciolacustrine beach sediments; glaciolacustrine deltaic sediments; glaciolacustrine littoral sediments; glaciolacustrine nearshore sediments; glaciolacustrine veneer; glaciofluvial sediments; glaciofluvial outwash plain sediments; esker sediments; ridged tills, moraine; streamlined tills; till veneer; dune crests; geological contacts; beach crests; outcrops; ice-flow directions; moraine ridges; Phanerozoic; Cenozoic; Quaternary
Illustrationslocation maps; index maps; aerial photographs
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor
Released2021 01 12
AbstractThe Grizzly Bear Mountain map area contains three glacial terrains. First, ridged till dominates large areas of Grizzly Bear Mountain and Scented Grass Hills between 460 and 700 m elevation. Second, undifferentiated till covers the southeast map area, as well as the lower flanks of Grizzly Bear and Scented Grass highlands, which may contain preglacial river channels. Third, glaciolacustrine sediments blanket lowlands below 250 to 280 m. Variable ice flow and local ice stagnation characterized ice retreat. Northeast of Grizzly Bear Mountain, ice flow was northwestward; to the northwest, ice flowed southwestward; to the southeast and south, ice flowed westward and west-southwestward; to the southwest, ice flowed west-northwestward. Retreating and stagnating remnant ice deposited ridged moraine, which may also coincide with cold-based ice. Meltwater corridors and glaciofluvial sediments originating from highlands indicate diverse flow directions across the map area. Glacial Lake McConnell inundated lowlands to 280 m a.s.l. in the southeast, and to 250 m in the northwest.
Summary(Plain Language Summary, not published)
The Grizzly Bear Mountain map (NTS 96-H) identifies surficial materials and associated landforms left by the retreat of the last glaciers. The surficial geology is based on aerial photograph interpretation. This work provides new geological knowledge and improves our understanding of the distribution and nature of the surficial geology cover, and the glacial history of this region. It contributes to resource assessments and effective land use management.

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