GRD00GYS0
I-695
Rhyolite
Unknown
None
-
0
Ritter 154 › Cabinet 15 › Drawer G
Porphyritic
rhyolite porphyry (Ks>Pl, Hb, Q). Porphyritic rhyolite, with K-spar and phenocrysts
-
-
-
Latitude: 38.7°
Longitude: -106.1°