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Dossier Public 2365

Open File:  2365
Previous OF publication(s):  0520, 0418
Province / Territory:  Yukon Territory
Funding Source:  Federal (1977 and 1978); Federal and Territorial (1991)
Year of Collection:  1976

Survey Type:  Regional Stream Survey
# Lake sites:  0
# Stream sites:  1738
Survey Area:  23890 km²
NTS Sheet(s):  116B, 116C, 116F, 116G

The regional stream survey for west central Yukon (NTS 116B and parts of 116C, 116F and 116G) was conducted during the summers of 1976 and 1977.

This report presents analytical and statistical data for gold and 25 other elements obtained by re-analyzing stream sediments from 1,738 sites, collected at an average density of one sample per 13.8 km². Original analytical data selected from Open File 520 (published 1978) for 13 elements plus uranium, fluoride, and pH values in concomitant waters are also included in this report.

location map for Open File 2365
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 AAS 40 ppm 1976
Barium INAA 50 ppm 1990
Barium AAS 40 ppm 1977
Bromine INAA 0.5 ppm 1990
Cerium INAA 3 ppm 1990
Cesium INAA 1 ppm 1990
Chromium INAA 5 ppm 1990
Cobalt AAS 2 ppm 1976
Cobalt INAA 1 ppm 1990
Cobalt AAS 2 ppm 1977
Copper AAS 2 ppm 1976
Copper AAS 2 ppm 1977
Europium INAA 0.2 ppm 1990
Gold INAA 2 ppb 1990
Hafnium INAA 1 ppm 1990
Iron AAS 0.02 pct 1976
Iron INAA 0.01 pct 1990
Iron AAS 0.02 pct 1977
Lanthanum INAA 0.5 ppm 1990
Lead AAS 2 ppm 1976
Lead AAS 2 ppm 1977
Lutetium INAA 0.05 ppm 1990
Manganese AAS 5 ppm 1976
Manganese AAS 5 ppm 1977
Mercury CV-AAS 10 ppb 1977
Molybdenum AAS 2 ppm 1976
Molybdenum AAS 2 ppm 1977
Neodymium INAA 5 ppm 1990
Nickel AAS 2 ppm 1976
Nickel AAS 2 ppm 1977
Rubidium INAA 5 ppm 1990
Samarium INAA 0.1 ppm 1990
Scandium INAA 0.1 ppm 1990
Silver AAS 0.2 ppm 1976
Silver AAS 0.2 ppm 1977
Sodium INAA 0.01 pct 1990
Tantalum INAA 0.5 ppm 1990
Terbium INAA 0.5 ppm 1990
Thorium INAA 0.2 ppm 1990
Tungsten COL 4 ppm 1976
Tungsten INAA 1 ppm 1990
Tungsten COL 4 ppm 1977
Uranium NADNC 0.2 ppm 1976
Uranium INAA 0.5 ppm 1990
Uranium NADNC 0.1 ppm 1977
Ytterbium INAA 0.2 ppm 1990
Zinc AAS 2 ppm 1976
Zinc AAS 2 ppm 1977
Waters
variable method detection limit year of analysis
Fluoride ISE 20 ppb 1976
Fluoride ISE 20 ppb 1977
Uranium FLU 0.05 ppb 1976
Uranium FLU 0.05 ppb 1977
pH GCM 1976
pH GCM 1977

Acknowledgements:

The original reconnaissance surveys were managed by the Geological Survey of Canada under the Uranium Reconnaissance Program. Fisheries and Environment Canada provided funds for the original determination of mercury. The reanalysis program was undertaken under the Canada - Yukon Economic Programming Agreement (1989-1990).

E.H.W. Hornbrook directed the original survey.

P.W.B. Friske coordinated the activities of contract and Geological Survey of Canada staff under the reanalysis program.

Collection:
Contractor and supervisor details for sample collection
Category Responsible Party
Contractor: GSC Staff (1976/1977)
Supervisor: W.D. Goodfellow (1976/1977)
Preparation:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Golder Associates, Ottawa, Ontario (1976/1977) Bondar-Clegg & Company, Ottawa, Ontario (1990)
Supervisor: J.J. Lynch , GSC (1976/1977 & 1990)
Analysis:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Chemex Labs Ltd., Vancouver, BC (1976/1977) AECL, Ottawa, ON (1976/1977) Barringer Research Ltd., Rexdale, ON (Whitehorse, YT office) (1976) Bondar-Clegg and Co., Whitehorse, YT (1977) GSC Laboratories, Ottawa, ON (1976) Bondar-Clegg & Company, Ottawa, Ontario (1990)
Supervisor: J.J. Lynch , GSC (1976/1977 & 1990)

Other information:

Sediments collected in 1977 (Open File 520) were analyzed for Hg in addition to 12 other elements.

Stokes Exploration Management Co., Vancouver, BC provided a cook and subcontracted for helicopter services in 1977.

Data for NTS 1:50,000 map sheets 116B/06, 116B/07, 116B/08,116B/09, 116B/10, 116B/11, 116B/16 and 116G/01appeared in Open File 418, published in 1977, were republished in Open File 520 (1978) and, with INAA reanalysis data, in Open File 2365 (1991).

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