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TitleGeochemical reanalysis of archived regional lake sediment samples, central Baffin Island, Nunavut
AuthorMcNeil, R J; Day, S J A; McCurdy, M W; Tremblay, T
SourceCanada-Nunavut Geoscience Office, Summary of Activities 2018, 2018 p. 131-137 (Open Access)
LinksOnline - En ligne
Year2018
Alt SeriesNatural Resources Canada, Contribution Series 20180313
PublisherCanada-Nunavut Geoscience Office
Documentserial
Lang.English
Mediapaper; on-line; digital
RelatedThis publication is related to Bonham-Carter, G; Peter, J M; Corrigan, D; Day, S J A; McClenaghan, M B; McNeil, R J; Tremblay, T; Garrett, R G; (2019). Lake sediment geochemical evaluation of the mineral potential of west-central Baffin Island, Nunavut, Geological Survey of Canada, Open File 8590
File formatpdf (Adobe® Reader®); xlsx (Microsoft® Excel®)
ProvinceNunavut
NTS27B/03; 27B/04; 27B/05; 27B/06; 27B/11; 27B/12; 27B/13; 27C/04; 27C/05; 37A/01; 37A/02; 37A/06; 37A/07; 37A/08; 37A/09; 37A/10; 37A/11; 37A/13; 37A/14; 37A/15; 37A/16; 37D/01; 37D/02; 37D/03; 37D/04; 37D/05; 37D/06; 37D/07; 37D/08; 37D/10; 37D/11; 37D/12; 37D/13; 37D/14
AreaBaffin Island; Barnes Ice Cap; Foxe Basin
Lat/Long WENS -76.0000 -70.5000 70.0000 68.0000
Subjectseconomic geology; surficial geology/geomorphology; geochemistry; environmental geology; mineral exploration; mineral potential; geochemical interpretations; lake sediments; lake sediment geochemistry; mass spectrometer analysis; statistical analyses; bedrock geology; basement geology; Archean; Paleoproterozoic; Piling Group; archival samples; environmental baseline studies; Phanerozoic; Cenozoic; Quaternary; Precambrian; Proterozoic
Illustrationslocation maps; tables
ProgramCanada-Nunavut Geoscience Office, Funding Program
Released2018 12 28
AbstractThe central Baffin Island area, which is underlain by Paleoproterozoic supracrustal rocks of the Piling Group and Archean basement rocks, has long been an area of interest for mineral exploration. In 1978, the Geological Survey of Canada conducted a large regional geochemical survey of lake-bottom sediment to evaluate the mineral potential for various commodities. A total of 1774 lakes, throughout an area of nearly 26 000 km2, were sampled at a density of one sample site per 13 km2 in central Baffin Island (west and southwest of the Barnes Ice Cap; parts of NTS 27B, C, 37A, D).
Samples were originally analyzed by atomic absorption spectroscopy in 1978 and subsequently by instrumental neutron activation analysis in 1998. This project involved the reanalysis of the archived sediment samples using an aqua-regia dissolution followed by inductively coupled plasma-mass spectrometry to generate geochemical data for a suite of 65 elements. These new data will provide a more complete and up-to-date dataset to assist mineral exploration in the area.
Summary(Plain Language Summary, not published)
This work is part of the Geo-Mapping for Energy and Minerals Program and is led by the Geological Survey of Canada (GSC) in collaboration with the Canada-Nunavut Geoscience Office (CNGO), Iqaluit, Nunavut. The study area comprises parts of four 1:250 000 scale National Topographic System map areas west and south-west of the Barnes Ice Cap, central Baffin Island, covering parts of NTS 27B, 27C, 37A, and 37D. The objective of this work is to generate new up-to-date geochemical data at a relatively low cost to promote mineral exploration over a large part of central Baffin Island.
GEOSCAN ID313237