Category:Mesoproterozoic igneous rocks in the United States

Subcategories

This category has the following 16 subcategories, out of 16 total.

Media in category "Mesoproterozoic igneous rocks in the United States"

The following 11 files are in this category, out of 11 total.

• 
  Amygdaloidal basalt (Portage Lake Volcanic Series, upper Mesoproterozoic, ~1.095-1.096 Ga; mine north of South Range, Upper Peninsula of Michigan, USA).jpg 2,529 × 2,391; 4.79 MB
  
• 
  Anorthosite (Mesoproterozoic; gravel bar clast, Chatham, Ohio, USA).jpg 2,152 × 2,155; 3.31 MB
  
• 
  Baptism River Basalt (North Shore Volcanic Group, Mesoproterozoic, ~1097 Ma; Split Rock Lighthouse, Minnesota, USA) 3 (23063082361).jpg 4,000 × 3,000; 5.23 MB
  
• 
  Basalt lava flow (North Shore Volcanic Group, Mesoproterozoic, ~1.1 Ga; Leif Ericson Park, Duluth, Minnesota, USA) 4 (22440807525).jpg 4,000 × 3,000; 4.12 MB
  
• 
  Base of quartz tholeiite basalt lava flow (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 3 (22476209995).jpg 4,000 × 3,000; 4.02 MB
  
• 
  Cupriferous amygdaloidal basalt (Mesoproerozoic, 1.05-1.06 Ga; Keweenaw Peninsula, northern Michigan, USA) (16691110994).jpg 2,505 × 1,992; 3.2 MB
  
• 
  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
  
• 
  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
  
• 
  Granite (Mesoproterozoic, 1098 Ma; Rt. 30 roadcut south of the town of Tupper Lake, New York State, USA) 2 (31216546030).jpg 3,305 × 2,450; 5.49 MB
  
• 
  Quartz tholeiite basalt lava flow (flow A, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 16 (22260840490).jpg 4,000 × 3,000; 4.96 MB
  
• 
  Quartz tholeiite basalt lava flow (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 13 (22476415815).jpg 3,000 × 3,909; 5.38 MB