Aphanitic phaneritic and porphyritic are textural terms that
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Phaneritic (phaner = visible) textures are typical of intrusive igneous rocks, these rocks crystallized slowly below Earth's surface. As magma cools slowly the minerals have time to grow and form large crystals. ... The result is an aphanitic rock with some larger crystals (phenocrysts) imbedded within its matrix.
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