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

µφ

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