Category:Columnar-jointed rhyolitic obsidian lava flows

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This category has only the following subcategory.

Media in category "Columnar-jointed rhyolitic obsidian lava flows"

The following 4 files are in this category, out of 4 total.

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  Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 1 (31876512117).jpg 3,000 × 4,000; 8.07 MB
  
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  Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 10 (31876683447).jpg 4,000 × 3,000; 6.41 MB
  
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  Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 6 (46092941824).jpg 4,000 × 2,648; 5.66 MB
  
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  Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 7 (46093062574).jpg 3,000 × 3,645; 6.18 MB