Dossiers publics PNRG
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Dossier Public 2648
Previous OF publication(s): 0558, 1636
Province / Territory: Newfoundland & Labrador
Funding Source: Federal and Provincial
Year of Collection: 1978
# Lake sites: 764
# Stream sites: 0
Survey Area: 10655 km²
NTS Sheet(s): 013N
The regional lake survey for eastern Labrador (NTS 13N) was conducted during the summer of 1978.
This report presents analytical and statistical data for gold and 25 other elements obtained by re-analyzing lake sediments from 764 sites, collected at an average density of one sample per 13.9 km². Original analytical data selected from Open File 558 (published 1979) for 13 elements plus loss-on-ignition in sediments, and uranium, fluoride, and pH values in concomitant waters are also included in this report.
Analytical Data
| variable | method | detection limit | year of analysis |
|---|---|---|---|
| Antimony | INAA | 0.1 ppm | 1992 |
| Arsenic | HY-AAS | 1 ppm | 1978 |
| Arsenic | INAA | 0.5 ppm | 1992 |
| Barium | INAA | 50 ppm | 1992 |
| Bromine | INAA | 0.5 ppm | 1992 |
| Cerium | INAA | 5 ppm | 1992 |
| Cesium | INAA | 0.5 ppm | 1992 |
| Chromium | INAA | 20 ppm | 1992 |
| Cobalt | AAS | 2 ppm | 1978 |
| Cobalt | INAA | 5 ppm | 1992 |
| Copper | AAS | 2 ppm | 1978 |
| Europium | INAA | 1 ppm | 1992 |
| Fluorine | ISE | 40 ppm | 1978 |
| Gold | INAA | 2 ppb | 1992 |
| Hafnium | INAA | 1 ppm | 1992 |
| Iron | AAS | 0.02 pct | 1978 |
| Iron | INAA | 0.2 pct | 1992 |
| Lanthanum | INAA | 2 ppm | 1992 |
| Lead | AAS | 2 ppm | 1978 |
| Loss-on-ignition | GRAV | 1 pct | 1978 |
| Lutetium | INAA | 0.2 ppm | 1992 |
| Manganese | AAS | 5 ppm | 1978 |
| Mercury | AAS | 10 ppb | 1992 |
| Molybdenum | AAS | 2 ppm | 1978 |
| Molybdenum | INAA | 1 ppm | 1992 |
| Nickel | AAS | 2 ppm | 1978 |
| Nickel | INAA | 10 ppm | 1992 |
| Rubidium | INAA | 5 ppm | 1992 |
| Samarium | INAA | 0.1 ppm | 1992 |
| Sample Weight | 0.01 gms | 1978 | |
| Scandium | INAA | 0.2 ppm | 1992 |
| Silver | AAS | 0.2 ppm | 1978 |
| 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 | 1978 |
| Ytterbium | INAA | 2 ppm | 1992 |
| Zinc | AAS | 2 ppm | 1978 |
| variable | method | detection limit | year of analysis |
|---|---|---|---|
| Fluoride | ISE | 20 ppb | 1978 |
| Uranium | FT | 0.01 ppb | 1978 |
| pH | GCM | 0 | 1978 |
- 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 Agreement on a Uranium Reconnaissance Program (1976-1982).
Open File 1636 (published 1989) included reanalysis data for part of NTS 13N and was funded under the Canada - Newfoundland Mineral Development Agreement (1984-1989).
Analyses of remaining archive samples were undertaken under the Canada - Newfoundland Cooperation Agreement on Mineral Development (1990-1994).
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: (1978) Marshall Macklin Monaghan, Toronto, Ontario Supervisor: E.Hornbrook, Y.T. Maurice (GSC) - Preparation:
-
Contractor and supervisor details for sample preparation Category Responsible Party Contractor: (1978) Golder Associates, Ottawa, Ontario (1992) Bondar-Clegg & Company Limited, Gloucester, Ontario Supervisor: J.J. Lynch (GSC) - Analysis:
-
Contractor and supervisor details for sample preparation Category Responsible Party Contractor: (1978) Chemex Laboratories, Vancouver, British Columbia (1978) Barringer Magenta Ltd., Toronto, Ontario (1978) Atomic Energy of Canada Ltd., Ottawa, Ontario (1988) Bondar-Clegg & Company Limited, Gloucester, Ontario (1992) Bequerel Laboratories, Mississauga, Ontario Supervisor: J.J. Lynch (GSC)
- Other information:
-
Survey Area in Paper copy does not match that in summary table Sur_Area = 9,934.
Hg analysis year 1992?
- Date de modification