NGR Open Files

Archived information

The database from which the NGR Open File metadata was extracted is unilingual and is not being actively maintained.  It contains information that is not readily available elsewhere.

Open File 0520

Open File:  0520
Previous OF publication(s):  0418
Province / Territory:  Yukon Territory
Funding Source:  Federal (1976 & 1977)
Year of Collection:  1977

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 Central Yukon (NTS 116B, C, F and G) was conducted during the summers of 1976 and 1977.

Open File 520 contains previously reported data from the 1976 surveys as well as new data from the Keno Hill area, sampled in 1964. This report presents analytical and statistical data for 13 elements in stream sediments from 1,738 sample sites, collected at an average density of one sample per 13.8 km². Uranium, fluoride, and pH values in waters from these sites are included in this report.

Analytical Data

variablemethoddetection limityear of analysis
BariumAAS40 ppm1976
BariumAAS40 ppm1977
CobaltAAS2 ppm1976
CobaltAAS2 ppm1977
CopperAAS2 ppm1976
CopperAAS2 ppm1977
IronAAS0.02 pct1976
IronAAS0.02 pct1977
LeadAAS2 ppm1976
LeadAAS2 ppm1977
ManganeseAAS5 ppm1976
ManganeseAAS5 ppm1977
MercuryCV-AAS10 ppb1977
MolybdenumAAS2 ppm1976
MolybdenumAAS2 ppm1977
NickelAAS2 ppm1976
NickelAAS2 ppm1977
SilverAAS0.2 ppm1976
SilverAAS0.2 ppm1977
TungstenCOL0 ppm1976
TungstenCOL4 ppm1977
UraniumNADNC0.2 ppm1976
UraniumNADNC0.1 ppm1977
ZincAAS2 ppm1976
ZincAAS2 ppm1977
variablemethoddetection limityear of analysis
FluorideISE20 ppb1976
FluorideISE20 ppb1977
UraniumFLU0.05 ppb1976
UraniumFLU0.05 ppb1977
pHGCM 1976
pHGCM 1977


The reconnaissance surveys were undertaken by the Geological Survey of Canada under the Federal Uranium Reconnaissance Program. Fisheries and Environment Canada provided funds for the determination of mercury.

E.H.W. Hornbrook directed the Geological Survey of Canada activities.

Contractor and supervisor details for sample collection
CategoryResponsible Party
Contractor:GSC Staff (1976/1977)
Supervisor:W.D. Goodfellow (1976/1977)
Contractor and supervisor details for sample preparation
CategoryResponsible Party
Contractor:Golder Associates, Ottawa, Ontario (1976/1977)
Supervisor:J.J. Lynch , GSC (1976/1977)
Contractor and supervisor details for sample preparation
CategoryResponsible 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)
Supervisor:J.J. Lynch , GSC (1976/1977)

Other information:

Samples were collected in 1976 (reported in OF 418) and 1977.

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 from Viking Helicopters Ltd. for helicopter services in 1977.

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