Minerals
Rocks
Igneous Rocks
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Igneous Rocks
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Photos of Rocks
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Porphyry
Photos are copyright free for non-commercial educational uses. Just credit photos to R.Weller/Cochise College.
Back to Igneous Rocks
Photos
Porphyry - Granite Field Exposure - Mule Mts
Porphyry - Quartz Felsite
Porphyry With Large Feldspar Phenocrysts
Porphyry Large And Small Feldspar Phenocrysts
Porphyry - Weathered Feldspar Phenocrysts
Porphyry With Large Pink Feldspar Phenocrysts Close Up
Porphyry With Large Feldspar Phenocrysts Close Up
Porphyry With Small White Feldspar Phenocrysts
Porphyry With Small White Feldspar Phenocrysts
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