Locations | Al2O3 | SiO2 | P2O5 | SO3 | K2O | CaO | MnO | Fe2O3 | Others |
Edo1 | 37.392 | 53.683 | 0.191 | 0.403 | 1.246 | 0.271 | 0.056 | 4.939 | 1.819 |
Ekiti | 49.661 | 42.321 | 0.013 | 0.015 | 1.31 | 0.053 | 0.014 | 5.112 | 1.501 |
Edo2 | 38.436 | 51.338 | 0.184 | 0.451 | 2.093 | 0.284 | 0.093 | 6.472 | 0.649 |
Ondo | 42.303 | 50.074 | 0.149 | 0.578 | 1.582 | 0.052 | 0.026 | 4.586 | 0.650 |
Ogun | 42.604 | 48.341 | 0.184 | 1.067 | 1.466 | 0.061 | 0.027 | 5.64 | 0.610 |