| 31. | Subhedral hornblende and elongated biotite grains are present.
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| 32. | Among other minerals found in them are biotite, argillaceous and is sometimes calcareous.
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| 33. | Quartz monzonite forms many of the cliffs, while the crags are biotite gneiss.
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| 34. | Small flecks of a dark, opaque mineral have been tentatively identified as biotite.
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| 35. | Mineral components include biotite, clinopyroxene, hornblende, orthopyroxene, plagioclase and quartz.
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| 36. | These minerals include quartz, feldspar and biotite.
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| 37. | It is foliated and white to cream with biotite and feldspar in large crystals.
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| 38. | On King Island, there was an intrusion of a biotite lamprophyre dyke at.
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| 39. | Phenocrysts include biotite, Si magmas, while higher Si magmas also contain sanidine.
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| 40. | The pumice contains biotite, hornblende and quartz.
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