Spectres | O | Mg | Al | Si | K | Ca |
1 | 46.31 |
| 10.59 | 28.68 | 14.42 |
|
5 | 60.22 |
|
| 1.02 |
| 38.76 |
6 | 62.40 | 12.17 |
|
|
| 25.43 |
Moyenne | 56.31 | 12.17 | 10.59 | 14.85 | 14.42 | 32.10 |