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Dossier Public RGS 35

Open File: RGS 35
Previous OF publication(s): 0774
Province / Territory: British Columbia
Funding Source: Provincial (1979); Federal and Provincial (1990)
Year of Collection: 1979

Survey Type: Regional Stream Survey
# Lake sites: 0
# Stream sites: 885
Survey Area: 15452 km²
NTS Sheet(s): 092O

Geological Survey of Canada (GSC) Open File 774 / British Columbia Ministry of Energy, Mines and Petroleum Resources (BCMEMPR) Regional Geochemical Survey (RGS) 3 presented analytical and statistical data for 13 elements in stream sediments from 885 sample sites, collected at an average density of one sample per 17.5 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 1979 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 1992 as BCMEMPR RGS 35.

Analytical Data

Sediments
variable	method	detection limit	year of analysis
Antimony	INAA	0.1 ppm	1990
Arsenic	HY-AAS	1 ppm	1979
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	1979
Cobalt	INAA	5 ppm	1990
Copper	AAS	2 ppm	1979
Gold	INAA	2 ppb	1990
Hafnium	INAA	1 ppm	1990
Iron	AAS	0.02 pct	1979
Iron	INAA	0.2 pct	1990
Lanthanum	INAA	5 ppm	1990
Lead	AAS	2 ppm	1979
Lutetium	INAA	0.2 ppm	1990
Manganese	AAS	5 ppm	1979
Mercury	CV-AAS	10 ppb	1979
Molybdenum	AAS	2 ppm	1979
Molybdenum	INAA	1 ppm	1990
Nickel	AAS	2 ppm	1979
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	1979
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	1979
Tungsten	INAA	2 ppm	1990
Uranium	NADNC	0.2 ppm	1979
Uranium	INAA	0.2 ppm	1990
Ytterbium	INAA	2 ppm	1990
Zinc	AAS	2 ppm	1979
Zirconium	INAA	200 ppm	1990

Waters
variable	method	detection limit	year of analysis
Fluorine	ISE	20 ppb	1979
Uranium	FLU	0.05 ppb	1979
pH	GCM		1979

Acknowledgements:

The original reconnaissance survey of the Taseko Lakes, British Columbia map sheet (NTS 92O) 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 reanalysis program was managed by the Geological Survey Branch staff of the MEMPR.

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

Collection:

Contractor and supervisor details for sample collection
Category	Responsible Party
Contractor:	Bema Industries Ltd., Langley, BC
Supervisor:	T.E. Kalnins, BCMEMPR

Preparation:

Contractor and supervisor details for sample preparation
Category	Responsible Party
Contractor:	Kamloops Research and Assay Laboratory, Kamloops, BC (1979) Rob Phillips (1990)
Supervisor:	W.M. Johnson, BCMEMPR (1979)

Analysis:

Contractor and supervisor details for sample preparation
Category	Responsible Party
Contractor:	Chemex Labs Limited, Vancouver, BC (1979) Novatrack Analysts Limited, Vancouver, BC (1979) Min-En Laboratories Ltd., Vancouver, BC (1979) Bequerel Laboratories, Mississauga, ON (1990)
Supervisor:	W.M. Johnson, BCMEMPR (1979)

Other information:

Date de modification: 2024-09-23