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Dossier Public 2792

Open File:  2792
Previous OF publication(s):  0995
Province / Territory:  Newfoundland & Labrador
Funding Source:  Federal (1984); Federal and Provincial (1994)
Year of Collection:  1983

Survey Type:  Regional Lake Survey
# Lake sites:  999
# Stream sites:  0
Survey Area:  14749 km²
NTS Sheet(s):  013C

The regional lake survey for southern Labrador (NTS 13C) was conducted during the summer of 1983 .

This report presents analytical and statistical data for gold and 25 other elements obtained by re-analyzing lake sediments from 999 sites, collected at an average density of one sample per 14.8 km². Original analytical data selected from Open File 995 (published 1984) for 15 elements plus loss-on-ignition in sediments, and uranium, fluoride, and pH values in concomitant waters are also included in this report.

location map for Open File 2792
legend to accompany location map for Open File

Analytical Data

Sediments
variable method detection limit year of analysis
Actinium INAA 0.5 ppm 1992
Antimony INAA 0.1 ppm 1992
Arsenic HY-AAS 1 ppm 1983
Barium INAA 50 ppm 1992
Bromine INAA 0.5 ppm 1992
Cadmium AAS 0.2 ppm 1983
Cerium INAA 5 ppm 1992
Cesium INAA 0.5 ppm 1992
Chromium INAA 20 ppm 1992
Cobalt AAS 2 ppm 1983
Cobalt INAA 5 ppm 1992
Copper AAS 2 ppm 1983
Europium INAA 1 ppm 1992
Fluorine ISE 40 ppm 1983
Gold INAA 2 ppb 1992
Hafnium INAA 1 ppm 1992
Iron AAS 0.02 pct 1983
Iron INAA 0.2 pct 1992
Lanthanum INAA 2 ppm 1992
Lead AAS 2 ppm 1983
Loss-on-ignition GRAV 1 pct 1983
Lutetium INAA 0.2 ppm 1992
Manganese AAS 5 ppm 1983
Mercury AAS 10 ppb 1983
Molybdenum AAS 2 ppm 1983
Molybdenum INAA 1 ppm 1992
Nickel AAS 2 ppm 1983
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 1983
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
Uranium NADNC 0.2 ppm 1983
Vanadium AAS 5 ppm 1983
Ytterbium INAA 2 ppm 1992
Zinc AAS 2 ppm 1983
Waters
variable method detection limit year of analysis
Fluoride ISE 20 ppb 1983
Uranium LIF 0.05 ppb 1983
pH GCM 1983

Acknowledgements:

The original reconnaissance surveys were carried out by the Geological Survey of Canada in conjunction with the Newfoundland Department of Mines and Energy under the terms of the Canada - Newfoundland Cooperative Mineral Program (1982-1984).

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

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

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: Marshall Macklin Monaghan, Toronto, Ontario
Supervisor: E.Hornbrook, N.G.Lund (GSC)
Preparation:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: (1983) Golder Associates, Ottawa, Ontario (1992 Preparation) Bondar-Clegg & Company Limited, Gloucester, Ontario
Supervisor: J.J.Lynch (GSC)
Analysis:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: (1983 Analysis) Chemex Laboratories, Ltd. North Vancouver, British Columbia Acme Analytical Laboratories, Vancouver, British Columbia (1992 Analysis) Becquerel Laboratories, Ltd., Mississauga, Ontario
Supervisor: J.J.Lynch (GSC)

Other information:
Date de modification