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Dossier Public 2650

Open File:  2650
Previous OF publication(s):  2645
Province / Territory:  Newfoundland & Labrador
Funding Source:  Federal and Provincial
Year of Collection:  1992

Survey Type:  Regional Lake Survey
# Lake sites:  404
# Stream sites:  
Survey Area:  3600 km²
NTS Sheet(s):  013K/6, 013K/7, 013K/10, 013K/15

The high-density lake sediment survey for central Labrador (NTS 13K/6, 13K/7, 13K/10, 13K/15) was conducted during the summer of 1992.

This report presents analytical and statistical data for 40 elements in lake sediments from 404 sample sites, collected at an average density of one sample per 8.9 km². Uranium, fluoride, and pH values in waters from these sites are also included in this report.

location map for Open File 2650
legend to accompany location map for Open File

Analytical Data

Sediments
variable method detection limit year of analysis
Antimony INAA 0.1 ppm 1992
Arsenic INAA 0.5 ppm 1992
Barium INAA 50 ppm 1992
Bromine INAA 0.5 ppm 1992
Cadmium AAS 0.2 ppm 1992
Cerium INAA 5 ppm 1992
Cesium INAA 0.5 ppm 1992
Chromium INAA 20 ppm 1992
Cobalt AAS 2 ppm 1992
Cobalt INAA 5 ppm 1992
Copper AAS 2 ppm 1992
Europium INAA 1 ppm 1992
Fluorine ISE 40 ppm 1992
Gold INAA 2 ppb 1992
Hafnium INAA 1 ppm 1992
Iron AAS 0.02 pct 1992
Iron INAA 0.2 pct 1992
Lanthanum INAA 2 ppm 1992
Lead AAS 2 ppm 1992
Loss-on-ignition GRAV 1 pct 1992
Lutetium INAA 0.2 ppm 1992
Manganese AAS 5 ppm 1992
Mercury CV-AAS 10 ppb 1992
Molybdenum AAS 2 ppm 1992
Molybdenum INAA 1 ppm 1992
Nickel AAS 2 ppm 1992
Nickel INAA 10 ppm 1992
Rubidium INAA 5 ppm 1992
Samarium INAA 0.1 ppm 1992
Sample Weight 0.01 gms 1992
Scandium INAA 0.2 ppm 1992
Silver AAS 0.2 ppm 1992
Sodium INAA 0.02 pct 1992
Tantalum INAA 0.5 ppm 1992
Terbium INAA 0.5 ppm 1992
Thorium INAA 0.2 ppm 1992
Tungsten INAA 1 ppm 1992
Uranium INAA 0.2 ppm 1992
Vanadium AAS 5 ppm 1992
Ytterbium INAA 1 ppm 1992
Zinc AAS 2 ppm 1992
Waters
variable method detection limit year of analysis
Fluoride ISE 20 ppb 1992
Uranium LIF 0.05 ppb 1992
pH GCM 0 1992

Acknowledgements:

The survey was carried out by the Geological Survey of Canada with the assistance of John McConnell and his assistants from the Newfoundland Department of Mines and Energy.

The survey was undertaken under the auspices of the Canada - Newfoundland Cooperation Agreement on Mineral Development (1990-1994).

P.W.B. Friske directed the survey, coordinating the activities of contract and Geological Survey of Canada staff.

M.McCurdy edited open files and coordinated production.

H. Gross and S.W. Adcock provided computer processing support.

C.C. Durham, S.J. Day, S. Carberry and R. Balma provided technical assistance.

Collection:
Contractor and supervisor details for sample collection
Category Responsible Party
Contractor:  
Supervisor:  
Preparation:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Bondar-Clegg & Company Limited, Gloucester, Ontario
Supervisor: J.J. Lynch (GSC)
Analysis:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Barringer Laboratories (Alberta), Ltd., Calgary, Alberta Bequerel Laboratories, Mississauga, Ontario Chemex Laboratories, Ltd. North Vancouver, British Columbia
Supervisor: J.J. Lynch (GSC)

Other information:

No mention of OF 2645 in the paper copy, but from the map it appears that OF 2645 covers the entire 13K mapsheet.

Date de modification