|
| DD.4.49 | DD.4.70 | DD.4.80 | DD.5.37 | DD.5.57 | DD.5.70 | DD.20.51 | DD.20.70 | DD.20.80 |
| Major elements (wt%) |
|
|
|
|
|
|
|
| |
| SiO2 | 45.9 | 49.8 | 47.1 | 56.9 | 49.1 | 51.0 | 66.5 | 45.3 | 42.9 |
| Al2O3 | 10.2 | 2.9 | 2.8 | 0.3 | 0.1 | 8.0 | 0.1 | 2.1 | 1.8 |
| Fe2O3 | 33.5 | 37.5 | 43.4 | 37.1 | 47.6 | 27.7 | 28.1 | 48.3 | 51.2 |
| MgO | 3.1 | 2.6 | 2.2 | 0.7 | 4.1 | 4.1 | 0.4 | 3.5 | 3.8 |
| CaO | 0.7 | 4.8 | 3.1 | 0.6 | 0.9 | 4.3 | 0.5 | 1.0 | 1.0 |
| Na2O | 0.0 | 0.2 | 0.5 | 0.0 | 0.0 | 1.6 | 0.0 | 0.1 | 0.1 |
| K2O | 0.9 | 0.4 | 0.4 | 0.0 | 0.0 | 0.5 | 0.0 | 0.1 | 0.0 |
| TiO2 | 0.3 | 0.1 | 0.1 | 0.0 | 0.0 | 0.4 | 0.0 | 0.1 | 0.1 |
| MnO | 0.2 | 0.1 | 0.1 | 0.4 | 0.4 | 0.2 | 0.0 | 0.5 | 0.7 |
| LOI | 0.4 | 1.1 | 0.8 | 4.5 | −1.4 | 1.1 | 4.4 | −1.0 | −1.5 |
| Sum | 100.1 | 97.1 | 99.9 | 101.5 | 101.1 | 99.4 | 100.0 | 100.2 | 100.1 |
| Trace elements (ppm) |
|
|
|
|
|
|
|
| |
| As | 10 | 5 | 20 | 10 | 20 | 10 | 5 | 10 | 10 |
| Ba | 70 | 20 | 20 | 5 | 5 | 40 | 5 | 5 | 5 |
| Cl | 280 | 200 | 190 | 10 | 250 | 150 | 10 | 50 | 110 |
| Co | 5 | 5 | 5 | 5 | 10 | 20 | 5 | 5 | 10 |
| Cr | 174 | 180 | 173 | 239 | 231 | 248 | 176 | 20 | 16 |
| Cu | 30 | 20 | 30 | 40 | 20 | 80 | 20 | 20 | 40 |
| N | 20 | 10 | 20 | 20 | 20 | 40 | 10 | 5 | 5 |
| P | 710 | 630 | 690 | 580 | 700 | 450 | 650 | 770 | 800 |
| Pb | 5 | 5 | 20 | 20 | 40 | 5 | 20 | 60 | 50 |
| S | 873 | 172 | 695 | 779 | 72 | 105 | 84 | 18 | 495 |
| Sn | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 10 | 20 |
| Sr | 5 | 40 | 30 | 30 | 30 | 70 | 110 | 100 | 100 |
| V | 50 | 20 | 20 | 5 | 5 | 100 | 10 | 20 | 10 |
| Zn | 60 | 20 | 40 | 30 | 20 | 40 | 30 | 40 | 50 |
| Zr | 100 | 50 | 40 | 40 | 60 | 70 | 240 | 180 | 180 |