Category:Felsic rocks in Lassen Volcanic National Park

United States national parks: Lassen Volcanic · Yellowstone ·

Subcategories

This category has the following 2 subcategories, out of 2 total.

B

Black porphyritic dacite (upper Holocene, 14 May 1915; Devastated Area, Lassen Volcano National Park, California)‎ (60 F)

P

Pinkish-reddish porphyritic dacite (Pleistocene; Devastated Area, Lassen Volcano National Park, California)‎ (19 F)

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