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Dossier Public 1648

Open File: 1648
Previous OF publication(s):
Province / Territory: Yukon Territory
Funding Source: Federal and Territorial
Year of Collection: 1987

Survey Type: Regional Stream Survey
# Lake sites: 0
# Stream sites: 913
Survey Area: 11870 km²
NTS Sheet(s): 105G

The regional stream survey for southeastern Yukon (NTS 105G) was conducted during the summer of 1987.

This report presents analytical and statistical data for 20 elements in stream sediments from 913 sample sites, collected at an average density of one sample per 13 km². Loss-on-ignition in sediments, and uranium, fluoride, and pH values in waters from these sites are included in this report.

Analytical Data

Sediments
variable	method	detection limit	year of analysis
Antimony	AAS	0.2 ppm	1987
Arsenic	AAS	1 ppm	1987
Barium	DCP	40 ppm	1987
Cadmium	AAS	0.2 ppm	1987
Cobalt	AAS	2 ppm	1987
Copper	AAS	2 ppm	1987
Fluorine	ISE	20 ppm	1987
Gold	FA-NA	1 ppb	1987
Iron	AAS	0.02 pct	1987
Lead	AAS	2 ppm	1987
Loss-on-ignition	GRAV	1 pct	1987
Manganese	AAS	5 ppm	1987
Mercury	AAS	10 ppb	1987
Molybdenum	AAS	2 ppm	1987
Nickel	AAS	2 ppm	1987
Silver	AAS	0.2 ppm	1987
Tin	AAS	1 ppm	1987
Tungsten	COL	2 ppm	1987
Uranium	NADNC	0.5 ppm	1987
Vanadium	AAS	5 ppm	1987
Zinc	AAS	2 ppm	1987

Waters
variable	method	detection limit	year of analysis
Fluoride	ISE	20 ppb	1987
Uranium	LIF	0.05 ppb	1987
pH	GCM		1987

Acknowledgements:

The reconnaissance surveys were undertaken by the Geological Survey of Canada in conjunction with the Department of Indian Affairs and Northern Development and the Government of Yukon under the Canada - Yukon Mineral Development Agreement (1985-1989).

E.H.W. Hornbrook directed the survey.

P.W.B. Friske coordinated the operational activities of contract and Geological Survey of Canada staff.

Collection:

Contractor and supervisor details for sample collection
Category	Responsible Party
Contractor:	Monaghan Delph Miller, Don Mills, Ontario
Supervisor:	E.H.W. Hornbrook, P.W.B. Friske

Preparation:

Contractor and supervisor details for sample preparation
Category	Responsible Party
Contractor:	Golder Associates, Ottawa, Ontario
Supervisor:	J.J. Lynch (GSC)

Analysis:

Contractor and supervisor details for sample preparation
Category	Responsible Party
Contractor:	Bondar-Clegg & Company Ltd., Ottawa, Ontario Chemex Labs Limited, Vancouver, British Columbia
Supervisor:	J.J. Lynch (GSC)

Other information:

Gold usually determined on 10-gram sample, allowing a detection limit of 1 ppb; sample weights less than 10 grams resulted in a detection limit of 2 ppb. Sample weights less that 5 grams not analyzed.

Date de modification: 2024-09-23