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TitleField data and till composition in the GEM-2 Rae Glacial Synthesis Activity field areas, Nunavut and Northwest Territories
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorCampbell, J E; McMartin, IORCID logo; McCurdy, M WORCID logo; Godbout, P -M; Tremblay, TORCID logo; Normandeau, P X; Randour, I
SourceGeological Survey of Canada, Open File 8808, 2021, 21 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
RelatedNRCan photo(s) in this publication
File formatreadme
File formatpdf; rtf; xlsx (Microsoft® Excel®); jpg; docx (Microsoft® Word®)
ProvinceNunavut; Northwest Territories
NTS55; 56C; 56D; 56E; 56F; 65; 66A; 66B; 66C; 66D; 66E; 66F; 66G; 66H; 75I; 75J; 75K; 75N; 75O; 75P; 76A; 76B; 76C; 76F; 76G; 76H
AreaKivalliq Region; Baker Lake; Arviat; Kitikmeot Region; Healey Lake; Thelon Game Sanctuary; Thaidene Néné National Park Reserve
Lat/Long WENS-109.0000 -92.0000 66.0000 60.0000
Subjectssurficial geology/geomorphology; geochronology; geochemistry; mineralogy; economic geology; Nature and Environment; Science and Technology; glacial history; glaciation; ice flow; deglaciation; glacial deposits; tills; glacial features; glacial striations; glacial landforms; till samples; till analyses; pebble lithology; mineralogical analyses; heavy mineral analyses; clay mineralogy; geochemical analyses; trace element geochemistry; major element geochemistry; minor element geochemistry; carbon; organic carbon; carbonate; textural analyses; colour; scanning electron microscope analyses; mineral potential; mineral exploration; mineral occurrences; gold; bedrock geology; lithology; lithogeochemistry; Laurentide Ice Sheet; Keewatin Sector; Keewatin Ice Divide; Thelon Basin; Dubawnt Supergroup; Barrensland Group; Baker Lake Group; Wharton Group; ice-flow directions; station locations, ground observation; Phanerozoic; Cenozoic; Quaternary
Illustrationslocation maps; geoscientific sketch maps; photographs; flow diagrams; tables; plots
ProgramGEM-GeoNorth: Geo-mapping for Energy and Minerals GEM Program Coordination
Released2021 07 16
AbstractThis report releases the field datasets and analytical results from targeted surficial geology studies and till sampling completed in 2017 and 2018 in mainland Nunavut and eastern Northwest Territories as part of Natural Resources Canada's Geomapping for Energy and Minerals (GEM?2) Rae Synthesis of Glacial History and Dynamics Activity in the interior of the Keewatin Sector of the Laurentide Ice Sheet. Fieldwork consisted of targeted mapping of glacial flow indicators to resolve the relative ice-flow chronology, sampling material for geochronology to help reconstruct the glacial and post-glacial histories at a regional scale, and documenting the nature and composition of the glacial sediments in various glacial terrains. In addition to the field and analytical datasets, this report provides a detailed description of the field and analytical methods. In 2017, Quaternary geological field observations were made at 92 sites; 39 till and 16 geochronology samples were collected in 5 areas in the Baker Lake and Arviat regions, Nunavut. In 2018, the focus shifted to the Healey Lake area in eastern Northwest Territories and central mainland Kitikmeot region, Nunavut. Quaternary geological field observations were made at 72 sites; 44 till and 17 geochronology samples were collected. Till samples were analysed for matrix geochemistry and texture, gold grain counts, indicator mineral picking and probing, and pebble lithology counts.
Summary(Plain Language Summary, not published)
This report releases the field data sets and laboratory results from surface glacial sediment field programs completed in 2017 in the Kivalliq Region, mainland Nunavut and 2018 in the Kitikmeot Region, Nunavut and eastern Northwest Territories. These studies provide new geological knowledge on the glacial history and the nature of surficial materials left by the retreat of the last glaciers. The findings will support informed decision making for resource exploration and development as well as environmental assessment. The work was conducted under the Rae Glacial History and Dynamics Activity project at the Geological Survey of Canada, as part of Natural Resources Canada's Geo-mapping for Energy and Minerals (GEM-2) Program.

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