Geoscience BC Report 2012-5
QUEST-Northwest Sample Reanalysis (ICP-MS) (NTS 104K)
by W. Jackaman (Noble Exploration Services Ltd.)
The original regional geochemical survey targeted for this project was conducted in 1987 and included parts of the Tulsequah map area (NTS 104K). In co-operation with the BC Geological Survey (BCGS) and Natural Resources Canada (NRCan), samples saved from the survey work were retrieved from storage facilities in Ottawa. A total of 932 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, 65 samples were not able to be included in the reanalysis work.
New ICP-MS analytical results generated by the QUEST-Northwest Project have been provided in the Microsoft(r) Excel (XLS) file GBC REPORT 2012-05.XLS. The data has 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 publications. Detailed information on data structure, abbreviations and field observation codes has been provided in Appendix A. In addition, code definitions have been included as a tab in the XLS file.
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