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Dossier Public RGS 42

Open File: RGS 42
Previous OF publication(s): 0772
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: 2128
Survey Area: 17373 km²
NTS Sheet(s): 103I, 103J

Geological Survey of Canada (GSC) Open File 772 / British Columbia Ministry of Energy, Mines and Petroleum Resources (BCMEMPR) Regional Geochemical Survey (RGS) 1 presented analytical and statistical data for 13 elements in stream sediments from 2,128 sample sites, collected at an average density of one sample per 8.2 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 42.

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	HY-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 Terrace and Prince Rupert, British Columbia map sheets (NTS 103I and 103J) 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: 2024-09-23