Category:Porphyritic rhyolite
Subcategories
This category has the following 3 subcategories, out of 3 total.
R
S
Media in category "Porphyritic rhyolite"
The following 4 files are in this category, out of 4 total.
-
Copper-Quartz-47636.jpg 600 × 517; 119 KB
-
Porphyritic rhyolite (Pleistocene; Yellowstone, Wyoming, USA) (26755758577).jpg 2,413 × 1,447; 2.74 MB
-
Quarzporphyr.jpg 878 × 594; 134 KB