|
Sample
|
RGM-1
|
BM
(N = 7) |
SY-2
(N = 10) |
SDC-1
(N = 11) |
|---|---|---|---|---|
| Major elements (wt%) | ||||
| SiO2 | 73.51 | 49.76 | 60.3 | 66.08 |
| TiO2 | 0.27 | 1.14 | 0.14 | 1 |
| Al2O3 | 13.8 | 16.35 | 12.19 | 15.98 |
| Fe2O3 | 1.67 | 9.67 | 6.08 | 6.9 |
| MnO | 0.64 | 0.15 | 0.32 | 0.12 |
| MgO | 0.27 | 7.66 | 2.75 | 1.75 |
| CaO | 1.18 | 6.35 | 7.89 | 1.41 |
| Na2O | 4.09 | 5.12 | 4.5 | 2.08 |
| K2 | 4.31 | 0.17 | 4.48 | 3.27 |
| P2O5 | 0.66 | 0.12 | 0.43 | 0.15 |
| Trace elements (ppm) | ||||
| Ba | 822 | 265 | 444 | 636 |
| Rb | 153 | 8 | 206 | 127 |
| Sr | 105 | 226 | 272 | 181 |
| Zr | 222 | 1000 | 299 | 328 |
| V | 16 | 202 | 49 | 97 |
| Cr | <18 | 130 | <18 | 53 |
| Co | <4 | 42 | 10 | 18 |
| Ni | 5 | 60 | 10 | 28 |
| Cu | 35 | 46 | 6 | 29 |
| Zn | 33 | 120 | 243 | 100 |
| Ga | 15 | 20 | 29 | 23 |