Alkaline lavas of Bafang and its environs | Position | Olivine | Clinopyroxene | Feldspar | Fe-Ti oxide |
High MgO basalt (HMg-B) | φ | Fo85-75 | Wo47-44En41-38Fs18-14 |
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µφ |
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µ | Fo74-67 | Wo45En38Fs17 | An68-48Ab40-39Or12-2 | USP90-88Sp7-4Mt8-5 | |
Low MgO basalt (LMg-B) | φ | Fo86-40 | Wo51-44En41-36Fs18-11 | An65-27Ab65-34Or9-2 | USP81-75Sp4-2Mt22-15 |
µφ | Fo52-51 |
| An54-16Ab69-44Or14-2 | USP89-85Sp5-2Mt11-8 | |
µ | Fo67-38 | Wo52-49En38-33Fs15-13 | An57-5Ab69-42Or34-2 | USP89-75Sp5-2Mt23-9 |