Category:Epidotic vesicular basalt

Media in category "Epidotic vesicular basalt"

The following 3 files are in this category, out of 3 total.

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  Epidotic vesicular basalt (Portage Lake Volcanic Series, upper Mesoproterozoic, 1.093 to 1.097 Ga; Gratiot Mine, Keweenaw Peninsula, Upper Peninsula of Michigan, USA) 1 (9396428240).jpg 1,466 × 1,076; 377 KB
  
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  Epidotic vesicular basalt (Portage Lake Volcanic Series, upper Mesoproterozoic, 1.093 to 1.097 Ga; Gratiot Mine, Keweenaw Peninsula, Upper Peninsula of Michigan, USA) 2 (9396427790).jpg 1,182 × 1,103; 248 KB
  
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  Epidotic vesicular basalt (Portage Lake Volcanic Series, upper Mesoproterozoic, 1.093 to 1.097 Ga; Gratiot Mine, Keweenaw Peninsula, Upper Peninsula of Michigan, USA) 3 (9393657643).jpg 1,304 × 1,095; 374 KB