GRD02RVS1
Calif 396_S1
Dacite
Unknown
None
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3
Ritter 154 › Cabinet 15 › Drawer Q
Porphry
Morro Rock. Zoned Plagioclase(approx 0.5 cm), Biotite, Quartz rich groundmass. Moderately altered
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California
Dacite Porphyry, Morro Bay, San Luis Obispo
Latitude: 35.4°
Longitude: -120.9°