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TitleRegional lake sediment geochemical data from north-central Saskatchewan (NTS 074-A, B, G, and H): reanalysis data and QA/QC evaluation
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AuthorBourdeau, J EORCID logo; McCurdy, M WORCID logo; Day, S J AORCID logo; Garrett, R G
SourceGeological Survey of Canada, Open File 8837, 2021, 14 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
RelatedThis publication is related to Regional lake sediment and water geochemical data, Saskatchewan [NTS 74A (NW), 74B (N1/2), 74G (S1/2), 74H (SW)]
File formatreadme
File formatpdf; rtf; docx (Microsoft® Word®); txt; xlsx (Microsoft® Excel®)
NTS74A; 74B; 74G; 74H
Lat/Long WENS-108.0000 -104.0000 58.0000 56.0000
Lat/Long WENS-103.0000 -102.0000 59.0000 58.0000
Lat/Long WENS-110.0000 -104.0000 60.0000 59.0000
Subjectsgeochemistry; surficial geology/geomorphology; Science and Technology; Nature and Environment; lake sediment geochemistry; geochemical analyses; statistical analyses; mass spectrometer analysis; neutron activation analyses; bedrock geology; lithology; Archean; Athabasca Basin; lacustrine sediments; Quality control; Phanerozoic; Cenozoic; Quaternary; Mesozoic; Cretaceous; Precambrian; Proterozoic
Illustrationstables; location maps; geoscientific sketch maps
ProgramGEM-GeoNorth: Geo-mapping for Energy and Minerals GEM Program Coordination
Released2021 12 02
AbstractThis report presents the geochemical data, quality assurance and quality control (QA/QC) results of the re-analysis of lake sediment samples collected from north-central Saskatchewan (NTS 074-A, B, G and H). The original lake survey was conducted in 1986 and the re-analysis in 2021. Original survey results are presented in OF1359. A total of 1,290 lake sediment samples were re-analyzed, covering an area of 17,000 km2, averaging a density of 1 sample per 13 km2. Samples were measured for 65 elements via modified aqua-regia - ICP-MS and 35 elements via INA analysis. To ensure high quality data, the geochemical data was evaluated for contamination, accuracy, precision and fitness-for-purpose. QA/QC results have identified a number of elements to be monitored carefully for future analyses. Overall, the data are of good quality.
Summary(Plain Language Summary, not published)
Under the Government of Canada's Geo-Mapping for Energy and Minerals (GEM) program, this study presents quality assurance and quality control results from re-analyzed lake sediment samples located in north-central Saskatchewan (NTS 074-A, B, G and H). The results demonstrate that the geochemical data is accurate, precise, fit-for-purpose and relatively free from contamination.

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