NGR Open Files

Archived information

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Open File 2355

Open File:  2355
Previous OF publication(s):  0514
Province / Territory:  British Columbia
Funding Source:  Federal and Provincial (1977 & 1990)
Year of Collection:  1977

Survey Type:  Regional Stream Survey
# Lake sites:  0
# Stream sites:  1318
Survey Area:  16113 km²
NTS Sheet(s):  082F

Geological Survey of Canada (GSC) Open File 514 presented analytical and statistical data for 13 elements in stream sediments from 1,318 sample sites, collected at an average density of one sample per 12.2 km². Uranium, fluoride, and pH values in waters from these sites were also included in this report.

In 1990, under the British Columbia Ministry of Energy, Mines and Petroleum Resources (BCMEMPR) Regional Geochemical Survey (RGS) Archive Program, the samples collected in 1977 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 1991 as BCMEMPR RGS 30 / GSC Open File 2355.

location map for Open File 2355
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 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 1977
Cobalt INAA 5 ppm 1990
Copper AAS 2 ppm 1977
Gold INAA 2 ppb 1990
Hafnium INAA 1 ppm 1990
Iron AAS 0.02 pct 1977
Iron INAA 0.2 pct 1990
Lanthanum INAA 5 ppm 1990
Lead AAS 2 ppm 1977
Lutetium INAA 0.2 ppm 1990
Manganese AAS 5 ppm 1977
Mercury CV-AAS 10 ppb 1977
Molybdenum AAS 2 ppm 1977
Molybdenum INAA 1 ppm 1990
Nickel AAS 2 ppm 1977
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 1977
Sodium INAA 0.1 pct 1990
Tantalum INAA 0.5 ppm 1990
Terbium INAA 0.5 ppm 1990
Thorium INAA 0.5 ppm 1990
Tin AAS 2 ppm 1978
Tungsten COL 4 ppm 1978
Tungsten INAA 2 ppm 1990
Uranium NADNC 0.2 ppm 1977
Uranium INAA 0.2 ppm 1990
Ytterbium INAA 2 ppm 1990
Zinc AAS 2 ppm 1977
Zirconium INAA 200 ppm 1990
Waters
variable method detection limit year of analysis
Fluoride ISE 20 ppb 1977
Uranium FLU 0.05 ppb 1977
pH GCM 1977

Acknowledgements:

The regional stream survey of the Nelson, British Columbia map sheet (NTS 082F) was undertaken by the GSC in conjunction with the BCMEMPR under the terms of the Canada - British Columbia Agreement on a Uranium Reconnaissance Program. Fisheries and Environment Canada provided funds for the determination of mercury.

E.H.W. Hornbrook directed the GSC activities. A. Sutherland Brown, N.C. Carter and P.A. Christopher directed BCMEMPR activities (1977).

P.F. Matysek and W. Jackaman (BCMEMPR) managed the RGS Archive Program (1990). This initiative was funded in part by the Canada-British Columbia Mineral Development Agreement (1985-1990).

Contracts were let to the following companies for sample collection, preparation and analysis.

Collection:
Contractor and supervisor details for sample collection
Category Responsible Party
Contractor: Stokes Exploration Management, Vancouver, BC
Supervisor: S.B. Ballantyne, GSC, and T.E. Kalnins, BCMEMPR
Preparation:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Golder Associates, Ottawa, ON (1977) Rob Phillips, Ottawa, ON (1990)
Supervisor: J.J. Lynch, GSC (1977)
Analysis:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Chemex Labs Limited, Vancouver, BC (1977) Atomic Energy of Canada Ltd., Ottawa, ON (1977) BCMEMPR (Sn and W) (1977) Becquerel Laboratories Inc., Mississauga, ON (1990)
Supervisor: J.J. Lynch, GSC and W.M. Johnson, BCMEMPR (1977)

Other information:
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