MP-2 Tungsten-Molybdenum Ore
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Certificate of Analysis
First Issued : 1983
Version: September 1997
DESCRIPTION
MP-2 is a sample of tungsten-molybdenum ore representative of the wolframite-molybdenite-bismuth mineralization deposits at Mount Pleasant, New Brunswick. The raw material was obtained from the Billiton Exploration Company Limited.
Nineteen laboratories participated in the interlaboratory program to provide analytical results for five elements in MP-2.
FOR FURTHER INFORMATION
The certification report is available upon request to:
CCRMP, CANMET-MMSL (NRCan)
555 Booth Street, Ottawa
Ontario, Canada
K1A 0G1
Telephone: (613) 995-4738
Facsimile: (613) 943-0573
E-mail: ccrmp@nrcan.gc.ca
| Mineral | wt % |
|---|---|
| Quartz | 70.0 |
| Chlorite | 10.0 |
| Topaz | 5.0 |
| Lepidocrocite | 5.0 |
| Fluorite | 2.0 |
| Calcite | 1.0 |
| Wolframite | 1.0 |
| Loellingite | 1.0 |
| Sphalerite | 0.7 |
| Molybdenite | 0.4 |
| Bismuth | 0.25 |
| Chalcopyrite | 0.23 |
| Rutile | 0.2 |
| Bismuthinite | 0.2 |
| Pyrite | 0.1 |
| Monazite | 0.1 |
| Zircon | 0.1 |
| Galena | 0.05 |
| Constituent | wt % |
|---|---|
| SiO2 | 76.1 |
| Al | 5.4 |
| F | 4.1 |
| Fe | 3.7 |
| Ca | 2.7 |
| Cu | 0.09 |
| S | 0.7 |
| Zn | 0.4 |
| As | 0.2 |
| Sn | 0.043 |
| Mg | 0.04 |
| Pb | 0.04 |
| C (total) | 0.02 |
| H2O (105°C) | ‹0.1 |
| Constituent | wt % |
|---|---|
| W | 0.65 ± 0.02 |
| Mo | 0.281 ± 0.01 |
| Bi | 0.245 ± 0.007 |
| Sn | 0.043 ± 0.002 |
| Ag | 4.9 ± 0.3 µg/g |