Category:Midcontinent Rift System

Subcategories

This category has the following 4 subcategories, out of 4 total.

Media in category "Midcontinent Rift System"

The following 13 files are in this category, out of 13 total.

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  Amygdaloidal basalt (North Shore Volcanic Series, upper Mesoproterozoic, ~1.1 Ga; Grand Marais, Cook County, Minnesota, USA) (39619143950).jpg 2,450 × 1,620; 2.97 MB
  
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  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
  
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  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
  
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  Basalt lava flow (North Shore Volcanic Group, Mesoproterozoic, ~1.1 Ga; Leif Ericson Park, Duluth, Minnesota, USA) 5 (22253993609).jpg 3,037 × 2,824; 3.33 MB
  
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  Basalt lava flows (North Shore Volcanic Group, Mesoproterozoic, ~1.1 Ga; Leif Ericson Park, Duluth, Minnesota, USA) 2 (22427571782).jpg 3,000 × 3,723; 3.73 MB
  
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  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
  
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  Humboldt Fault.svg 2,233 × 1,517; 176 KB
  
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  Midcontinent Rift map.PNG 774 × 675; 55 KB
  
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  NA basement rocks.gif 483 × 427; 19 KB
  
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  North america basement rocks.png 484 × 429; 31 KB
  
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  Olivine gabbro (Pigeon Point Sill, Mesoproterozoic, ~1.1 Ga; Pigeon Point, Minnesota, USA) (40770721514).jpg 2,336 × 1,508; 3 MB
  
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  Olivine tholeiite basalt lava flow below Gooseberry Falls - Lower Falls (Gooseberry River Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Gooseberry Falls State Park, Minnesota, USA) (22322465068).jpg 4,000 × 2,358; 6.56 MB
  
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  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