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TitleSurficial geology, Rivière De Pas, Quebec, NTS 23-P northwest
DownloadDownloads
AuthorRice, J M; Paulen, R C; Ross, M
SourceGeological Survey of Canada, Canadian Geoscience Map 333, 2017, 1 sheet, https://doi.org/10.4095/306166
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, UTM zone 20 (NAD83)
Mediaon-line; digital
RelatedThis publication is related to Rice, J M; Paulen, R C; Ross, M; (2017). Surficial geology, Lac Mistinibi, Quebec, NTS 23-P northeast, Geological Survey of Canada, Canadian Geoscience Map no. 316, ed. Prelim.
File formatreadme
File formatpdf (Adobe® Reader®); 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) 10.x)
ProvinceQuebec
NTS23P/11; 23P/12; 23P/13; 23P/14
AreaRivière De Pas; Lac Champdoré; Lac Tudor; Rivière à la Baleine
Lat/Long WENS -66.0000 -65.0000 56.0000 55.5000
Subjectssurficial geology/geomorphology; postglacial deposits; organic deposits; peat; swamps; bogs; fens; alluvial deposits; flood plains; alluvial fans; terraces; lacustrine deposits; beach deposits; storm deposits; ice rafting; water levels; glacial deposits; glacial features; glacial landforms; glaciolacustrine deposits; proglacial lakes; beach ridges; glaciofluvial deposits; outwash fans; hummocks; ice contact deposits; eskers; kames; kettles; outwash; tills; till ridges; meltwater channels; flow trajectories; drumlinoids; crag and tail; lag deposits; glacial striations; ice flow; ice movement directions; permafrost; periglacial features; frost heaving; frost boils; solifluction; silts; gravels; sands; clays; boulders; clasts; paleogeography; raised beaches; shoreline changes; scarps; glacial erosion; glacial history; glaciation; glacial stages; Wisconsinian glacial stage; deglaciation; ablation; depositional environment; bedrock geology; lithology; vegetation; till samples; Laurentide Ice Sheet; Ancestral Labrador Ice Divide; Glacial Lake McLean; Core Zone; De Pas Batholith; Laporte Domain; New Quebec Orogen; Doublet Zone; diamicton; winnowed sediments; Phanerozoic; Cenozoic; Quaternary
Illustrationslocation maps; index maps; photographs
ProgramHudson/Ungava, Northeastern Quebec-Labrador, surficial geology, GEM2: Geo-mapping for Energy and Minerals
ProgramPolar Continental Shelf Program
Image
Released2017 12 05
AbstractThe Rivière De Pas area is of moderate relief, characterized by extensive till blanket units in lowlands and till veneer units and bedrock outcrops at higher elevations. The region was differentially eroded by the Laurentide Ice Sheet throughout Wisconsin time, largely influenced by the migration of the Ancestral Labrador Ice Divide, originally from east of the De Pas batholith to west of the map area. Phases of radial ice flow from the migrating ice divide imparted discordant erosional ice-flow landforms and flow indicators on the landscape. Significant regions of bedrock at higher elevations have been washed of till from late-phase ablation of the ice sheet during deglaciation, with associated small meltwater channels. Below 425 m elevation, the region was inundated by glacial Lake McLean, a proglacial lake that occupied the lowlands in the northwest. Sediments from glacial Lake McLean are limited to littoral beach deposits and winnowed till surfaces.
Summary(Plain Language Summary, not published)
Surficial geology map for the De Pas River region of northern Quebec. This map provides the regional baseline information on surficial materials suitable for exploration, resource planning, environmental surveys and land-use planning.
GEOSCAN ID306166