| 31. | The mountain consists of primarily non-alkali, mafic, volcanic rock.
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| 32. | Mafic rocks of the Limpopo Belt underlie the basin floor in the northeast.
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| 33. | This layer would constitute a density barrier to the rise of mafic magma.
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| 34. | It was probably formed by weathering of mafic minerals.
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| 35. | The early post-glacial rhyodacites contain mafic inclusions.
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| 36. | Three mafic volcanic vents named, Crater 2657 and are also considered postglacial.
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| 37. | Chromium is commonest in mafic and ultramafic rocks in which beryllium is extremely rare.
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| 38. | Earlier during the Sveconorwegian orogeny mafic rocks ( gabbro-diorite ) were emplaced.
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| 39. | Diorite results from the partial melting of a mafic rock above a subduction zone.
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| 40. | Dykes formed later with a mafic dyke injected first followed by a felsic material.
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