| 41. | The host rock for porphyry copper deposits in southeast Asia is typically diorite and quartz-diorite.
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| 42. | The host rock for porphyry copper deposits in southeast Asia is typically diorite and quartz-diorite.
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| 43. | Ben Lomond's geology is dominated by granite, mica schist, diorite, porphyry and quartzite.
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| 44. | "Lunar granites " are relatively rare rocks that include diorites, monzodiorites, and granophyres.
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| 45. | Locally, quartz diorite or gneiss bodies occur on the arkose-schist contact west of Government Peak.
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| 46. | The soils are of residual-colluvial parent material which are igneous rocks; grained diorite and shale.
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| 47. | There have been some small intrusions of magma into the graben appearing now as granito-diorite outcrops.
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| 48. | Moreover, the effusive andesites do not always correspond to the plutonic diorites but partly also to the gabbros.
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| 49. | The most common rock types in plutons are granite, granodiorite, tonalite, monzonite, and quartz diorite.
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| 50. | Erie itself can be observed at the summit of the mountain as large striations in the diorite and gabbro.
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