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basalt
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diabase
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olivine basalt porphyry
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gabbro
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hornblende gabbro
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gabbro
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diabase porphyry
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biotite granite
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muscovite biotite granite
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biotite hornblende granite
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alkalic granite
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aplite
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rhyolite tuff
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rhyolite
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rhyolite porphyry
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quartz monzonite porphyry
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granodiorite
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hornblende syenite
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alkalic syenite
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nepheline syenite
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quartzite
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staurolite quartzite
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garnet wollasanite skarn
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kyanite quartzite
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diorite
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dacite
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tonalite (quartz diorite)
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hornblende andesite
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norite
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anorthosite
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lamprophyre
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pyroxenite
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dunite (olivine peridotite)
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serpentinite
What is this sample?
ijolite