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TitleGeochemical, mineralogical and indicator-mineral data for stream silt sediment, water and heavy-mineral concentrates, East Fiord area, western Axel Heiberg Island, Nunavut (part of NTS 59-G)
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AuthorMcNeil, R J; Day, S J A; Williamson, M -C
SourceGeological Survey of Canada, Open File 7779, 2018, 30 pages, https://doi.org/10.4095/306606
Year2018
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediaon-line; digital
File formatreadme
File formatpdf (Adobe® Reader®); rtf; xlsx (Microsoft® Excel®); jpg; kmz (Google Earth(TM))
ProvinceNunavut
NTS59G/07
AreaCanadian Arctic Archipelago; Axel Heiberg Island; East Fiord
Lat/Long WENS -94.0000 -93.0000 79.5000 79.2500
Subjectseconomic geology; surficial geology/geomorphology; geochemistry; mineralogy; regional geology; mineral deposits; mineral potential; mineral exploration; nickel; copper; lead; zinc; metals; chalcopyrite; sphalerite; strontium; geochemical surveys; sediments; alluvial deposits; silts; permafrost; gossans; stream water geochemistry; stream sediment geochemistry; heavy minerals geochemistry; bulk samples; heavy mineral samples; grain size analyses; size fractionation; spectrometric analyses; organic carbon; carbon; trace element analyses; major element analyses; heavy mineral analyses; alkalinity; colour; photography; mineralogical analyses; bedrock geology; lithology; sedimentary rocks; sandstones; siltstones; shales; evaporites; anhydrite; gypsum; rock salt; diapirs; igneous rocks; intrusive rocks; diabases; sills; volcanic rocks; basalts; High Arctic Large Igneous Province (HALIP); Sverdrup Basin; Isachsen Formation; indicator minerals; kimberlite indicator minerals (KIMs); magmatic massive sulphide indicator minerals (MMSIMs); platinum group elements (PGE); Phanerozoic; Mesozoic; Cretaceous; Paleozoic; Carboniferous; Pennsylvanian
Illustrationsphotographs; location maps; geoscientific sketch maps; sample forms; flow diagrams; tables; photomicrographs
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Location
 
Natural Resources Canada Library - Ottawa (Earth Sciences)
 
Programenvironmental impacts and adaptation in the northern environment, Environmental Geoscience
ProgramPolar Continental Shelf Program
Released2018 03 01
AbstractStream sediment and water sampling programs such as the Geological Survey of Canada's (GSC) National Geochemical Reconnaissance (NGR) program are used to efficiently obtain systematic geochemical information, which is key in establishing the mineral potential over a large area. One of the basic assumptions of reconnaissance stream surveys is that the sediment chemistry and mineralogy reflect the bedrock and surficial geology of the catchment area upstream from the sample site. Fluvial and stream sediments form by the physical and chemical weathering of bedrock within the catchment basin. In the absence of mineralization, the sediment chemistry reflects normal or background element concentrations typical of the source bedrock. Mineralized bedrock, if present, will be revealed by the presence of elevated metal and/or indicator mineral contents in stream sediments.
We report the results of a stream sediment and water study that was carried out as part of an environmental geoscience project on gossans in Canada's High Arctic. The survey was complementary to bedrock mapping and sampling of gossans found within permafrost in the down-drainage environment in the East Fiord area of western Axel Heiberg Island, Nunavut (NTS 59-G). The objectives were to characterize bedrock lithologies in the study area and to evaluate the economic mineral potential. The sampling strategy undertaken targeted drainages with known gossans and were within a day by foot traverse, from base camp.
Stream silt and water samples were collected from 26 sites. At 14 of these sites, bulk sediment samples were collected for the heavy mineral concentrate (HMC) component in the <2 mm fraction. Silt and water samples were analyzed by ICP-MS and ICP-ES as well as for carbon content. Water samples were also submitted for alkalinity, anions by ion-chromatography and in-situ physico-chemical measurements. Bulk sediment samples were processed and the resulting HMC samples were picked for indicator minerals of various deposit types. Sampling and analytical techniques followed established NGR methodologies, ensuring data compatibility with the NGR database. The results suggest that the study area is prospective, potentially for Ni-Cu PGE, Cu-Pb-Zn mineralization and also for other types of economic deposits.
Summary(Plain Language Summary, not published)
Data from drainage samples collected in the South Fiord area of western Axel Heiberg Island, Nunavut in 2013 are presented in this Geological Survey of Canada Open File. The data presented includes field observations and accompanying geochemical data for stream silt and water as well as mineralogical and indicator minerals data. This study, part of the Arctic Gossans Activity, was carried out under Earth Sciences Sector¿s Environmental Geosciences Program to study geochemical signatures of oxide-sulphide gossans in the downstream environment as well as evaluating the mineral potential of the area.
GEOSCAN ID306606