Geoscience BC Report 2013-04
Lardeau (NTS 082K) Sample Reanalysis (ICP-MS)
by W. Jackaman (Noble Exploration Services Ltd.)
Geoscience BC Report 2013-04 presents ICP-MS results for stream sediment samples collected during the original 1977 Lardeau RGS program. The Lardeau regional geochemical survey was conducted in 1977 and included the collection of 1297 stream sediment samples. In co-operation with the BC Geological Survey and Natural Resources Canada, samples saved from the survey work were retrieved from storage facilities in Ottawa. A total of 1435 drainage-sediment and quality-control samples were subsequently delivered to Acme Analytical Laboratories Ltd. (Vancouver, BC) and analyzed by an ultra-trace aqua-regia digestion (0.5 g) ICP-MS technique for 53 elements. Due to a deficiency of available material, one sample was not included in the reanalysis work.
ICP-MS results have been provided in the Microsoft® Excel (XLS) file GBC REPORT 2013-04.XLS. The data have been carefully checked for analytical quality using blind duplicate samples and control reference material. When determined to be complete and accurate, the reanalysis data were merged with sample site location information acquired from the original survey publication.
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