Euhedral zoned plagioclase phenocrysts with quartz and mafic minerals in aphanitic matrix

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Euhedral zoned plagioclase phenocysts with quartz and mafic minerals in aphanitic matrix

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Size: 5140px × 3399px
Location: Middle Fork Salmon River, Idaho
Photo credit: © William Mullins / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: aphanitic, challis, close-, closeup, crystals, euhedral, feldspar, geologic, geological, geology, groundmass, mafic, minerals, phenocrysts, plagioclase, porphyries, porphyritic, potassium, quartz, rock, volcanics, zoned