Igneous rock

one of the three main rock types; formed through the cooling and solidification of magma or lava

pegmatite volcanic glass volcanic rock ultramafic rock dolerite spilite nephelinite pitchstone norite intermediate rock alkaline rock Cinder carbonatite Tholeiitic magma series peralkaline rock intrusive rock porphyritic rock greenstone mafic rock basic rock felsic rock acidic rock mesozoic rocks

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