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TitleReconnaissance surficial geology, Tulemalu Lake, Nunavut, NTS 65-J
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorGeological Survey of Canada
SourceGeological Survey of Canada, Canadian Geoscience Map 325, 2017, 1 sheet, Open Access logo Open Access
LinksSurficial geology map collection
LinksCollection de données de géologie de surface
PublisherNatural Resources Canada
Editionprelim., surficial data model v.2.3 conversion
Maps1 map
Map Info.surficial geology, deposits, landforms, features, 1:125,000
ProjectionUniversal Transverse Mercator Projection, UTM zone 14 (NAD83)
Mediaon-line; digital
RelatedThis publication is related to Surficial geology, Tulemalu Lake, District of Keewatin, Northwest Territories
File formatreadme
File formatpdf (Adobe® Reader®); rtf; gdb (ESRI® ArcGIS(TM) 10.x); shp (ESRI® ArcGIS(TM) 10.x); xml (ESRI® ArcGIS(TM) 10.x); mxd (ESRI® ArcGIS(TM) 10.x)
AreaTulemalu Lake
Lat/Long WENS-100.0000 -98.0000 63.0000 62.0000
Subjectssurficial geology/geomorphology; alluvial deposits; flood plains; terraces; permafrost; periglacial features; ice wedges; lacustrine deposits; deltaic deposits; marine deposits; beach deposits; sand bars; gravel bars; spits; frost cracks; glacial deposits; glacial landforms; glacial features; glaciolacustrine deposits; glacial lakes; proglacial lakes; glaciofluvial deposits; outwash plains; hummocks; kettles; eskers; flow trajectories; outwash fans; meltwater channels; ice contact deposits; tills; till ridges; till plains; moraines; mud boils; anastomosis; silts; sands; gravels; boulders; felsenmeer; drumlinoids; crag and tail; glacial flutings; glacial striations; ice flow; ice movement directions; raised beaches; shoreline changes; vegetation; glacial history; glaciation; deglaciation; depositional environment; Keewatin Ice Divide; Tyrrell Sea; ice-pushed ridges; Phanerozoic; Cenozoic; Quaternary
Illustrationslocation maps; index maps
ProgramGEM2: Geo-mapping for Energy and Minerals Rae Province Project Management
Released2017 12 20
AbstractThis new surficial geology map product represents the conversion of Map 37-1989 and its legend, using the Geological Survey of Canada's Surficial Data Model (SDM version 2.3) which can be found in Open File 8236. All geoscience knowledge and information from Map 37-1989 that conformed to the current SDM were maintained during the conversion process. Additional material such as marginal notes or figures which exist on the original map, are not included here. Supplementary, limited legacy information was added to complement the converted geoscience data. This consists of glacial striations from Lee (1959) and 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 geodatabase 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 (striations). 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.

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