Table 1.
XRF analysis of dried Red Earth.
| Composition | Wt% |
|---|---|
| SiO2 | 58.0 |
| Al2O3 | 15.2 |
| Fe2O3 | 3.1 |
| CaO | 4.7 |
| MgO | 0.8 |
| Na2O | Tr. |
| K2O | 0.1 |
| LOIa | 10.7 |
a
LOI: Loss of Ignition.
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