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Dossier Public 1647
Previous OF publication(s):
Province / Territory: British Columbia
Funding Source: Federal and Provincial
Year of Collection: 1987
# Lake sites: 0
# Stream sites: 847
Survey Area: 10166 km²
NTS Sheet(s): 104K
The regional stream survey Tulsequah, British Columbia (NTS 104K) was conducted during the summer of 1987.
This report presents analytical and statistical data for 20 elements in stream sediments from 847 sample sites, collected at an average density of one sample per 12.0 km². Loss-on-ignition in sediments, and uranium, fluoride, and pH values in waters from these sites are included in this report.
Analytical Data
| variable | method | detection limit | year of analysis |
|---|---|---|---|
| Antimony | HY-AAS | 0.2 ppm | 1987 |
| Arsenic | HY-AAS | 1 ppm | 1987 |
| Barium | XRF | 20 ppm | 1987 |
| Cadmium | AAS | 0.2 ppm | 1987 |
| Cobalt | AAS | 2 ppm | 1987 |
| Copper | AAS | 2 ppm | 1987 |
| Fluorine | ISE | 40 ppm | 1987 |
| Gold | FA-DCP | 1 ppb | 1987 |
| Iron | AAS | 0.02 pct | 1987 |
| Lead | AAS | 2 ppm | 1987 |
| Loss-on-ignition | GRAV | 0.2 pct | 1987 |
| Manganese | AAS | 5 ppm | 1987 |
| Mercury | CV-AAS | 10 ppb | 1987 |
| Molybdenum | AAS | 1 ppm | 1987 |
| Nickel | AAS | 2 ppm | 1987 |
| Silver | AAS | 0.2 ppm | 1987 |
| Tin | AAS | 2 ppm | 1987 |
| Tungsten | COL | 2 ppm | 1987 |
| Uranium | NADNC | 0.5 ppm | 1987 |
| Vanadium | AAS | 5 ppm | 1987 |
| Zinc | AAS | 2 ppm | 1987 |
| variable | method | detection limit | year of analysis |
|---|---|---|---|
| Fluoride | ISE | 20 ppb | 1987 |
| Uranium | LIF | 0.05 ppb | 1987 |
| pH | ISE | 1987 |
- Acknowledgements:
-
The reconnaissance surveys were undertaken by the British Columbia Ministry of Energy Mines and Petroleum Resources in conjunction with the Geological Survey of Canada.
Funding was provided in part by the GSC under a "Letter of Understanding" for a Cooperative Project and by the Canada - British Columbia Mineral Development Agreement (1985 - 1989).
P.F. Matysek directed the British Columbia Ministry of Energy Mines and Petroleum Resources activities.
E.H.W. Hornbrook directed the Geological Survey of Canada activities.
- Collection:
-
Contractor and supervisor details for sample collection Category Responsible Party Contractor: McElhanney Engineering Services, Vancouver, BC Supervisor: J.L. Gravel, BCMEMPR - Preparation:
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Contractor and supervisor details for sample preparation Category Responsible Party Contractor: Kamloops Research Assay and Laboratory Ltd., Kamloops, BC Supervisor: Wes Johnson, BCMEMPR - Analysis:
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Contractor and supervisor details for sample preparation Category Responsible Party Contractor: Bondar-Clegg & Company Ltd., North Vancouver, BC Barringer Magenta (Alberta), Ltd., Calgary, AB Supervisor: P.F. Matysek, BCMEMPR
- Other information:
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Gold usually determined on 10-gram sample, allowing a detection limit of 1 ppb; sample weights less than 10 grams resulted in a detection limit of 2 ppb. Sample weights less that 5 grams not analyzed.
- Date de modification