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TitleSurficial geology, Lac Mistinibi, Quebec, NTS 23-P northeast
DownloadDownloads
AuthorRice, J M; Paulen, R C; Ross, M
SourceGeological Survey of Canada, Canadian Geoscience Map 316, 2017, 1 sheet, https://doi.org/10.4095/300656
Year2017
PublisherNatural Resources Canada
EditionPrelim.
Documentserial
Lang.English
Maps1 map
Map Info.surficial geology, surficial deposits and features, 1:100,000
ProjectionUniversal Transverse Mercator Projection, zone 20 (NAD83)
Mediaon-line; digital
File formatreadme
File formatpdf; rtf; gdb; shp; xml; mxd (ESRI® ArcGIS(TM) 10.x)
ProvinceQuebec
NTS23P/09; 23P/10; 23P/15; 23P/16
AreaLac Mistinibi
Lat/Long WENS -65.0000 -64.0000 56.0000 55.5000
Subjectssurficial geology/geomorphology; geochronology; postglacial deposits; organic deposits; peat; swamps; bogs; fens; wetlands; alluvial deposits; flood plains; fluvial deposits; point bars; terraces; lacustrine deposits; beach deposits; storm deposits; well level fluctuations; glacial deposits; glacial features; glacial landforms; glaciolacustrine deposits; proglacial lakes; beach ridges; glaciofluvial deposits; outwash plains; kettles; ice contact deposits; drift deposits; outwash fans; hummocks; tills; moraines; lineations; frost heaving; frost boils; solifluction; silts; gravels; sands; clays; boulders; depositional environment; lag deposits; paleogeography; shoreline changes; raised beaches; emergence; meltwater channels; eskers; flow trajectories; drumlinoids; crag and tail; scarps; kames; glacial striations; ice flow; ice movement directions; glacial history; glaciation; glacial stages; Wisconsinian glacial stage; deglaciation; Naskaupi Glacial Lake; Laurentide Ice Sheet; diamicton; optically stimulated luminescence (OSL) dating; Phanerozoic; Cenozoic; Quaternary
Illustrationslocation maps; index maps; tables; photographs
ProgramHudson/Ungava, Northeastern Quebec-Labrador, surficial geology, GEM2: Geo-mapping for Energy and Minerals
ProgramPolar Continental Shelf Program
Image
Released2017 06 13
AbstractThe Lac Mistinibi area is of moderate relief characterized by extensive till blankets and at higher elevations, till veneers and bedrock outcrops. The region was glaciated by the Laurentide Ice Sheet throughout Wisconsin time, east of the Quebec-Labrador ice centre. Two general phases of glacial landform development have occurred in the map-area, with northeast-trending large crag-and-tail landforms and streamlined eastward-trending landforms. These two orientations represent two phases of radial ice flow that have affected the region. Large eskers and related glaciofluvial deposits also transect the map sheet along west to east direction, indicative of the westward deglaciation of the region. Abundant, small meltwater channels in the upland areas of the region are evidence of late-phase ice ablation during final deglaciation. Below 488 m elevation, the region was inundated by glacial Lake Naskaupi, which occupied the George River basin and its tributaries and winnowed till surfaces.
Summary(Plain Language Summary, not published)
Surficial geology map, to indicate what unconsolidated sediments occur at the surface, which provide baseline information to support mineral exploration and land use development.
GEOSCAN ID300656