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TitleReconnaissance surficial geology, Dawson Inlet, Nunavut, part of NTS 55-F
AuthorGeological Survey of Canada
SourceGeological Survey of Canada, Canadian Geoscience Map 241, 2017, 1 sheet, (Open Access)
PublisherNatural Resources Canada
EditionPrelim., surficial data model v.2.2 conversion
Maps1 map
Map Info.surficial geology, surficial deposits and features, 1:125,000
ProjectionUniversal Transverse Mercator Projection, UTM zone 14 (NAD83)
Mediaon-line; digital
RelatedThis publication is related to Arsenault, L; Aylsworth, J M; Kettles, I M; Shilts, W W; (1981). Surficial Geology, Dawson Inlet, District of Keewatin, Geological Survey of Canada, Preliminary Map no. 9-1979
File formatreadme
File formatpdf; rtf; gdb; shp; xml; mxd (ArcGIS 10)
AreaDawson Inlet; Hudson Bay; Austin Island; Bibby Island
Lat/Long WENS -94.0000 -92.5000 62.0000 61.0000
Subjectssurficial geology/geomorphology; postglacial deposits; alluvial deposits; flood plains; terraces; marine deposits; beach deposits; deltaic deposits; intertidal deposits; tidal flats; glaciomarine deposits; eolian deposits; glacial deposits; glacial landforms; glacial features; glaciofluvial deposits; meltwater channels; ice contact deposits; fans; tills; till plains; hummocks; moraines; drumlins; scarps; paleogeography; raised beaches; shoreline changes; eskers; flow trajectories; drumlinoids; glacial flutings; permafrost; ice wedges; glacial striations; ice movement directions; frost cracks; mud boils; solifluction; clays; silts; sands; gravels; boulders; postglacial emergence; depositional environment; anastomosis; felsenmeer; Tyrrell Sea; Keewatin Ice-Divide; offshore deposits; palsas; lithalsas; active layer; thaw ponds; frost polygons; diamicton; Phanerozoic; Cenozoic; Quaternary
Illustrationslocation maps; index maps
ProgramGEM2: Geo-mapping for Energy and Minerals, Rae Province Project Management
Released2017 04 19
AbstractThis new surficial geology map product represents the conversion of Map 9-1979 and its legend only, using the Geological Survey of Canada's Surficial Data Model (SDM version 2.2) which can be found in Open File 8041. All geoscience knowledge and information from Map 9-1979 that conformed to the current SDM were maintained during the conversion process. Additional material such as marginal notes or figures which may exist on the original map, are not included here. Supplementary, limited legacy information was added to complement the converted geoscience data. This consists of a few glacial striations from Wright, 1967. It is identified in the accompanying geodatabase. The purpose of converting legacy map data to a common science language and common legend is to enable and facilitate the efficient digital compilation, interpretation, management and dissemination of geologic map information in a structured and consistent manner. This provides an effective knowledge management tool designed around a geo-database which can expand following the type of information to appear on new surficial geology maps.
Summary(Plain Language Summary, not published)
The map identifies surficial materials and associated landforms left by the retreat of the last glaciers. The surficial geology is based on aerial photograph interpretation and limited legacy fieldwork. This work provides new geological knowledge and improves our understanding of the distribution, nature and glacial history of surficial materials. It contributes to resource assessments and effective land use management.