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Compositional end-members associated with the face of the South Massif
| Compositional property | Feldspathic unit | Noritic unit |
|---|---|---|
| FeO (wt%) | <10% | <10% |
| Plagioclase (wt%) | ∼80% | ∼60% |
| Olivine (wt%) | <10% | <10% |
| Clinopyroxene (wt%) | <10% | <10% |
| Orthopyroxene (wt%) | <10% | ∼30% |
| TiO2 (wt%) | <2% | <2% |
