Igneous rock with phenocrysts of variable size in a matrix of finer-grained material

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Size: 5184px × 3456px
Photo credit: © Matthijs Wetterauw / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, closeup, crystals, embedded, finer-grained, geologic, geological, geology, grains, gray, grey, groundmass, igneous, inequigranular, mass, material, matrix, mineral, pattern, phenocrysts, porphyritic, rock, rough, stone, structure, surface, texture, white