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Dossier Public 2360

Open File:  2360
Previous OF publication(s):  0506
Province / Territory:  Ontario
Funding Source:  Federal and Provincial (1977 & 1990)
Year of Collection:  1977

Survey Type:  Regional Lake Survey
# Lake sites:  915
# Stream sites:  
Survey Area:  12525 km²
NTS Sheet(s):  042D, 042E

The regional lake sediment and water survey for northern Ontario (NTS 42D and 42E South) was conducted during the summer of 1977.

This report presents analytical and statistical data for gold and 25 other elements obtained by re-analyzing lake sediments from 915 sites, collected at an average density of one sample per 13.7 km². Original analytical data selected from Open File 506 (published 1978) for 13 variables in sediments, and uranium, fluoride, and pH values in lake waters are also included in this report.

location map for Open File 2360
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 COL 1 ppm 1977
Arsenic INAA 0.5 ppm 1990
Barium INAA 50 ppm 1990
Bromine INAA 0.5 ppm 1990
Cerium INAA 5 ppm 1990
Cesium INAA 0.5 ppm 1990
Chromium INAA 20 ppm 1990
Cobalt AAS 2 ppm 1977
Cobalt INAA 5 ppm 1990
Copper AAS 2 ppm 1977
Europium INAA 1 ppm 1990
Gold INAA 2 ppb 1990
Hafnium INAA 1 ppm 1990
Iron AAS 0.02 pct 1977
Iron INAA 0.2 pct 1990
Lanthanum INAA 2 ppm 1990
Lead AAS 2 ppm 1977
Loss-on-ignition GRAV 1 pct 1977
Lutetium INAA 0.2 ppm 1990
Manganese AAS 5 ppm 1977
Mercury CV-AAS 10 ppb 1977
Molybdenum AAS 2 ppm 1977
Molybdenum INAA 1 ppm 1990
Nickel AAS 2 ppm 1977
Nickel INAA 10 ppm 1990
Rubidium INAA 5 ppm 1990
Samarium INAA 0.1 ppm 1990
Sample Weight 0.01 gms 1990
Scandium INAA 0.2 ppm 1990
Silver AAS 0.2 ppm 1977
Sodium INAA 0.02 pct 1990
Tantalum INAA 0.5 ppm 1990
Terbium INAA 0.5 ppm 1990
Thorium INAA 0.2 ppm 1990
Tungsten INAA 1 ppm 1990
Uranium NADNC 0.2 ppm 1977
Uranium INAA 0.2 ppm 1990
Ytterbium INAA 2 ppm 1990
Zinc AAS 2 ppm 1977
Waters
variable method detection limit year of analysis
Fluoride ISE 20 ppb 1977
Uranium FT 0.01 ppb 1977
pH GCM 1977

Acknowledgements:

The reconnaissance surveys were managed by the Geological Survey of Canada in conjunction with the Ontario Ministry of Natural Resources under the terms of the Canada - Ontario Agreement on a Uranium Reconnaissance Program. Fisheries and Environment Canada provided funds for the determination of mercury. The reanalysis program was undertaken under the Canada - Ontario Mineral Development Agreement (1985-1990).

E.H.W. Hornbrook directed the original survey (1977) and the reanalysis program (1990).

P.W.B. Friske coordinated the activities of contract and Geological Survey of Canada staff (1990).

Collection:
Contractor and supervisor details for sample collection
Category Responsible Party
Contractor: Marshall Macklin Monaghan, Toronto, Ontario
Supervisor: E.H.W. Hornbrook, W.B. Coker (GSC)
Preparation:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Golder Associates, Ottawa, Ontario (1977) Bondar-Clegg & Company, Ottawa, Ontario (1990)
Supervisor: J.J. Lynch, GSC (1977/1990)
Analysis:
Contractor and supervisor details for sample preparation
Category Responsible Party
Contractor: Chemex Labs, Vancouver, British Columbia (1977) Barringer Research, Toronto, Ontario (1977) Atomic Energy of Canada Ltd., Ottawa, Ontario (1977) Bondar-Clegg & Company, Ottawa, Ontario (1990)
Supervisor: J.J. Lynch, GSC (1977/1990)

Other information:
Date de modification