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Dossier Public RGS 43

Open File:  RGS 43
Previous OF publication(s):  0773
Province / Territory:  British Columbia
Funding Source:  Provincial (1978); Federal and Provincial (1990)
Year of Collection:  1978

Survey Type:  Regional Stream Survey
# Lake sites:  0
# Stream sites:  1778
Survey Area:  14318 km²
NTS Sheet(s):  1030, 103P

Geological Survey of Canada (GSC) Open File 773 / British Columbia Ministry of Energy, Mines and Petroleum Resources (BCMEMPR) Regional Geochemical Survey (RGS) 2 presented analytical and statistical data for 13 elements in stream sediments from 1,778 sample sites, collected at an average density of one sample per 8.1 km². Uranium, fluoride, and pH values in waters from these sites were also included in this report.

In 1990, under the BCMEMPR RGS Archive Program, the samples collected in 1978 were analyzed by Instrumental Neutron Activation Analysis (INAA). These new data for gold and 25 other elements, along with original survey results, were published in 1995 as BCMEMPR RGS 43.

location map for Open File RGS 43
legend to accompany location map for Open File

Analytical Data

Sediments
variable method detection limit year of analysis
Antimony INAA 0.1 ppm 1990
Arsenic HY-AAS 1 ppm 1978
Arsenic INAA 0.5 ppm 1990
Barium INAA 100 ppm 1990
Bromine INAA 0.5 ppm 1990
Cerium INAA 10 ppm 1990
Cesium INAA 0.5 ppm 1990
Chromium INAA 5 ppm 1990
Cobalt AAS 2 ppm 1978
Cobalt INAA 5 ppm 1990
Copper AAS 2 ppm 1978
Gold INAA 2 ppb 1990
Hafnium INAA 1 ppm 1990
Iron AAS 0.02 pct 1978
Iron INAA 0.2 pct 1990
Lanthanum INAA 5 ppm 1990
Lead AAS 2 ppm 1978
Lutetium INAA 0.2 ppm 1990
Manganese AAS 5 ppm 1978
Mercury CV-AAS 10 ppb 1978
Molybdenum AAS 2 ppm 1978
Molybdenum INAA 1 ppm 1990
Nickel AAS 2 ppm 1978
Nickel INAA 10 ppm 1990
Rubidium INAA 5 ppm 1990
Samarium INAA 0.5 ppm 1990
Scandium INAA 0.5 ppm 1990
Silver AAS 0.2 ppm 1978
Sodium INAA 0.1 pct 1990
Tantalum INAA 0.5 ppm 1990
Terbium INAA 0.5 ppm 1990
Thorium INAA 0.5 ppm 1990
Tungsten COL 2 ppm 1978
Tungsten INAA 2 ppm 1990
Uranium NADNC 0.2 ppm 1978
Uranium INAA 0.2 ppm 1990
Ytterbium INAA 2 ppm 1990
Zinc AAS 2 ppm 1978
Zirconium INAA 200 ppm 1990
Waters
variable method detection limit year of analysis
Fluorine ISE 20 ppb 1978
Uranium FLU 0.05 ppb 1978
pH GCM 1978

Acknowledgements:

The original reconnaissance survey of the Nass River, British Columbia map sheets (NTS 103O/P) was managed and funded by the British Columbia Ministry of Energy, Mines and Petroleum Resources as part of the Regional Geochemical Survey Program. Data management was provided by the Geological Survey of Canada.

The reanalysis program was funded in part by the Canada - British Columbia Mineral Development Agreement (1985 - 1990).

The RGS Archive Program was managed by the Geological Survey Branch staff of the BCMEMPR.

P.F. Matysek and W. Jackaman coordinated the operational activities of contract and BCMEMPR staff.

Collection:
Contractor and supervisor details for sample collection
Category Responsible Party
Contractor: Stokes Exploration Management Co. (SEMCO), Vancouver, BC
Supervisor: T.E. Kalnins (BCMEMPR)
Preparation:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Min-En Laboratories Ltd., North Vancouver, BC (1978) Rob Phillips, Ottawa, ON (1990)
Supervisor: W.M. Johnson, BCMEMPR (1978)
Analysis:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Chemex Labs Limited, Vancouver, BC (1978) Novatrack Analysts Limited, Vancouver, BC (1978) Bondar-Clegg & Company, Ltd., North Vancouver, BC (1978) Bequerel Laboratories, Mississauga, ON (1990)
Supervisor: W.M. Johnson, BCMEMPR (1978)

Other information:
Date de modification