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TitleGeochemical and mineralogical data for stream sediment and proximal till sites, Ellice River area, Nunavut (parts of NTS 76-H and NTS 76-I) (Parts of NTS 76-H and NTS 76-I)
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AuthorMcCurdy, M W; McMartin, I
SourceGeological Survey of Canada, Open File 8302, 2017, 26 pages, https://doi.org/10.4095/306211
Year2017
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediadigital; on-line
RelatedThis publication is related to McCurdy, M W; Berman, R G; McMartin, I; Grenier, A; (2016). Geochemical and mineralogical data for stream silts, stream waters and heavy mineral concentrates, Ellice River area, Nunavut (parts of NTS 76-H and 76-I), Geological Survey of Canada, Open File 7887
File formatreadme
File formatpdf (Adobe® Reader®); rtf; xls (Microsoft Excel); xlsx (Microsoft Excel); jpg
ProvinceNunavut
NTS76H/01; 76H/06; 76H/08; 76H/09; 76H/11; 76I/13; 76I/14
AreaEllice River; Back River; Thelon Game Sanctuary; Queen Maud Gulf Migratory Bird Sanctuary; Kitikmeot Region
Lat/Long WENS-106.0000 -104.0000 67.0000 65.0000
Subjectssurficial geology/geomorphology; geochemistry; mineralogy; economic geology; geochemical surveys; stream sediment geochemistry; till geochemistry; glacial deposits; tills; alluvial deposits; silts; geochemical analyses; mineralogical analyses; till analyses; heavy minerals geochemistry; heavy mineral analyses; sediment colour patterns; grain size analyses; pebble lithology; textural analyses; organic materials; carbon geochemistry; mineral potential; mineral exploration; base metals; precious metals; copper; silver; gold; lead; zinc; arsenic; sulphides; glacial history; glaciation; ice flow; ice movement directions; sediment transport; bulk samples; till samples; stream sediment samples; neutron activation analyses; mass spectrometer analysis; trace element analyses; major element analyses; geochemical anomalies; Thelon Tectonic Zone; Slave Craton; Dubawnt Lake Ice Stream; indicator minerals; rare earth element analyses; quality control; Phanerozoic; Cenozoic; Quaternary; Precambrian
Illustrationslocation maps; satellite images; photographs; flow diagrams; tables; geoscientific sketch maps; pie charts
ProgramRae Province, Chantrey-Thelon, GEM2: Geo-mapping for Energy and Minerals
ProgramPolar Continental Shelf Program
Released2017 11 16
AbstractThis report releases the field database and analytical results from a targeted stream sediment and till sampling survey completed during six days in 2016 over parts of NTS 76-H and 76-I as part of the Geological Survey of Canada's GEM-2 Thelon tectonic zone project, southeast of Bathurst Inlet, mainland Nunavut. The survey covers parts of the Thelon tectonic zone and adjacent Slave craton, and crosses the terminus of the Dubawnt Lake ice stream.
Field observations and geochemical data from 39 stream sampling stations are published in spreadsheet format. Mineralogical data derived from heavy mineral concentrate samples collected at 17 of the 39 stream stations are included with this report. Surface till samples were collected at 11 field stations proximal to stream stations. Matrix geochemistry, indicator minerals, clast lithology and grain size distribution were determined in till samples. Field observations and till compositional datasets appear in separate spreadsheets in the appendices. A preliminary interpretation of the combined datasets with implications for mineral potential in three follow-up areas is presented at the end of the report.
Summary(Plain Language Summary, not published)
The Geological Survey of Canada carried out geochemical and indicator mineral surveys of tills, stream sediments and waters under the GEM Program in 2012 and 2014 in the Duggan Lake-Ellice River area of Nunavut (NTS 76-H and 76I). Results revealed two areas with elevated concentrations of base elements (Pb, Cu, Zn, Ag) in stream silts and one area with gold potential. Follow-up surveys in these three areas were carried out in 2016. This open file contains field observations and geochemical data for the till and stream sediment samples collected in 2016. Mineral grains identified in the heavy mineral fraction of tills and stream sediments are reported in separate data spreadsheets. Geochemical and indicator mineral data support results from earlier surveys indicating potential for both base and precious mineralization in the survey areas.
GEOSCAN ID306211