DescriptionSierra Grande Andesite.jpg English: Andesite (7.3 cm across at its widest) - vesicular andesite from a 1.9 million year old lava flow (upper...
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DescriptionVesicular andesite (Upper Pliocene, 1.9 Ma; Sierra Grande Shield Volcano, Raton-Clayton Volcanic Field, New Mexico, USA) 8.jpg English: Vesicular andesite from...
DescriptionVesicular andesite (Upper Pliocene, 1.9 Ma; Sierra Grande Shield Volcano, Raton-Clayton Volcanic Field, New Mexico, USA) 11.jpg English: Vesicular andesite from...
DescriptionVesicular andesite (Upper Pliocene, 1.9 Ma; Sierra Grande Shield Volcano, Raton-Clayton Volcanic Field, New Mexico, USA) 6.jpg English: Vesicular andesite from...
DescriptionVesicular andesite (Upper Pliocene, 1.9 Ma; Sierra Grande Shield Volcano, Raton-Clayton Volcanic Field, New Mexico, USA) 9.jpg English: Vesicular andesite from...
DescriptionVesicular andesite (Upper Pliocene, 1.9 Ma; Sierra Grande Shield Volcano, Raton-Clayton Volcanic Field, New Mexico, USA) 10.jpg English: Vesicular andesite from...
DescriptionVesicular andesite (Upper Pliocene, 1.9 Ma; Sierra Grande Shield Volcano, Raton-Clayton Volcanic Field, New Mexico, USA) 4.jpg English: Vesicular andesite from...