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Ministry of Energy, Mines and Pertoleum Resources

93J

NTS 93J - McLeod Lake / RGS 15 / GSC OF 1216

The McLeod Lake (NTS 93J) reconnaissance-scale stream sediment and water survey was completed in 1985  and the resulting field and analytical data were released in 1986. A total of 1152 sediment and 940 water samples were collected from 1088 sample sites.

 

Geofile 2006-9 reports new gold and trace metal data from the re-analysis of the McLeod Lake (NTS 93J) map sheet. This digital release consists of a report in PDF format, and appendices in a ZIP format file.
Analytical Data

1985

2006

Sediments Sediments
element detection limit method element units detection limit/method
ICP/MS AAS
Zinc 2 ppm AAS Aluminum % 0.01  
Copper 2 ppm AAS Antimony ppm 0.02 1
Lead 2 ppm AAS Arsenic ppm 0.1 1
Nickel 2 ppm AAS Boron ppm 1  
Cobalt 2 ppm AAS Barium ppm 0.5  
Silver 0.2 ppm AAS Bismuth ppm 0.02  
Manganese 5 ppm AAS Cadmium ppm 0.01 0.1
Arsenic 0.5 ppm AAS-H Calcium % 0.01  
Mercury 10 ppb AAS-F Chromium ppm 0.5  
Vanadium 5 ppm AAS Cobalt ppm 0.1 2
Cadmium 0.2 ppm AAS Copper ppm 0.01 2
Tungsten 2 ppm COLOR Gallium ppm 0.2  
Antimony 0.2 ppm AAS-H Gold ppb 0.2  
Barium 40 ppm AAS Iron % 0.01 0.01
Iron 0.02% AAS Lanthanum ppm 0.5  
Molybdenum 1 ppm AAS Lead ppm 0.01 2
Uranium 0.5 ppm NASNC Magnesium % 0.01  
Tin 1 ppm AAS Manganese ppm 1 5
Loss on Ignition 0.10% GRAV v Mercury ppb 5 5
Molybdenum ppm 0.01 1
Waters Nickel ppm 0.1 2
element detection limit method Phosphorus % 0.001  
pH 0.1 GCE Potassium % 0.01  
Uranium 0.05 ppb LIF Scandium ppm 0.1  
Fluoride 20 ppb ION Selenium ppm 0.1  
Silver ppb 2 100
Sodium % 0.001  
Strontium ppm 0.5  
Sulphur % 0.02  
Tellurium ppm 0.02  
Thallium ppm 0.02  
Thorium ppm 0.1  
Titanium % 0.001  
Tungsten ppm 0.2  
Uranium ppm 0.1  
Vanadium ppm 2 5
Zinc ppm 0.1 2

Acknowledgements

The 1985 reconnaissance survey was undertaken by the British Columbia Ministry of Energy, Mines and Petroleum Resources (MEMPR) in conjunction with the Geological Survey of Canada (GSC) under a "Letter of Understanding" for a cooperative project.

 

E.H.W. Hornbrook and P.W.B. Friske directed and coordinated GSC activities. W.M. Johnson directed the MEMPR activities. Contracts were let to the following companies for sample collection, preparation and analysis and were managed by staff of the GSC and MEMPR.

 

The 2006 re-analysis was done in cooperation from the Dr. Peter Fiske, Head of the Applied Geochmistry Unit, Geological Survey of Canada, Ottawa.  Stephen Day, Martin McCurdy and Rick McNeil of the Unit are especially thanked for helping to retrieve the archived sediment samples and inserting quality control standards.

 

COLLECTION: Hi-Tec Resource Management Ltd., Vancouver, B.C.
A. Boronowski (MEMPR) 
PREPARATION: Golder Associates, Ottawa, Ont.
J.J. Lynch (GSC)
ANALYSIS:

Barringer Magenta Ltd., Rexdale, Ont. (Stream Sediments)
Barringer Magenta Ltd., Calagary, Alb. (Stream Waters)
J.J. Lynch (GSC)

2006 Re-analysis: ACME Analytical Laboratories Ltd., Vancouver, BC