Category:Basalt in Minnesota

Subcategories

This category has the following 5 subcategories, out of 5 total.

Media in category "Basalt in Minnesota"

The following 32 files are in this category, out of 32 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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  Amygdaloidal basalt (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 1.jpg 2,811 × 2,752; 5.05 MB
  
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  Amygdaloidal basalt (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 2.jpg 3,874 × 2,562; 5.97 MB
  
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  Autobrecciated amygdaloidal quartz tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 10 (22290736859).jpg 4,000 × 3,000; 3.76 MB
  
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  Autobrecciated amygdaloidal quartz tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 11 (21856351943).jpg 4,000 × 3,000; 3.81 MB
  
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  Autobrecciated amygdaloidal quartz tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 3 (22451631766).jpg 3,000 × 4,000; 5.45 MB
  
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  Autobrecciated amygdaloidal quartz tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 4 (21854899714).jpg 4,000 × 3,000; 5.25 MB
  
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  Baptism River Basalt (North Shore Volcanic Group, Mesoproterozoic, ~1097 Ma; Split Rock Lighthouse, Minnesota, USA) 1 (22633535998).jpg 4,000 × 2,735; 3.54 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 (Gooseberry River Basalts, Mesoproterozoic, 1097-1098 Ma; Rt. 61 roadcut just east of Upper Falls, Gooseberry Falls State Park, North Shore of Lake Superior, Minnesota, USA) 3 (23208558712).jpg 4,000 × 2,915; 4.81 MB
  
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  Intergranular calcite in autobrecciated amygdaloidal tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 1.jpg 2,903 × 2,635; 3.28 MB
  
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  Intergranular calcite in autobrecciated amygdaloidal tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 4.jpg 3,120 × 2,999; 3.54 MB
  
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  Intergranular calcite in autobrecciated amygdaloidal tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 7.jpg 4,000 × 2,525; 4.02 MB
  
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  Large quartz-laumontite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 11.jpg 3,601 × 2,174; 3.96 MB
  
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  Large quartz-laumontite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 2.jpg 3,654 × 2,259; 3.69 MB
  
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  Large quartz-laumontite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 3.jpg 3,244 × 1,482; 4.01 MB
  
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  Large quartz-laumontite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 5.jpg 2,389 × 1,609; 3.34 MB
  
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  Large quartz-laumontite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 7.jpg 2,234 × 1,625; 3.4 MB
  
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  Large quartz-laumontite-calcite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA).jpg 3,350 × 2,231; 3.47 MB
  
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  Metamorphosed pillow basalt (Ely Greenstone, Neoarchean, ~2.722 Ga; large loose block at Ely visitor center, Ely, Minnesota, USA) 1 (21266644269).jpg 3,158 × 2,591; 3.4 MB
  
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  Metamorphosed pillow basalt (Ely Greenstone, Neoarchean, ~2.722 Ga; large loose block at Ely visitor center, Ely, Minnesota, USA) 11 (20830752274).jpg 4,000 × 3,000; 4.38 MB
  
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  Metamorphosed pillow basalt (Ely Greenstone, Neoarchean, ~2.722 Ga; Rt. 169 roadcut just west of Ely, Minnesota, USA) 9 (21536183561).jpg 4,000 × 3,000; 4.21 MB
  
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  Natural arch in basalt (Gooseberry River Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Gooseberry Falls State Park, Minnesota, USA) 1 (22322995728).jpg 4,000 × 2,426; 3.97 MB
  
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  Natural arch in basalt (Gooseberry River Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Gooseberry Falls State Park, Minnesota, USA) 2 (21887954414).jpg 4,000 × 3,000; 4.85 MB
  
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  Olivine tholeiite basalt lava flow at Gooseberry Falls - Upper Falls (Gooseberry River Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Gooseberry Falls State Park, Minnesota, USA) (22322482538).jpg 4,000 × 2,535; 3.25 MB
  
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  Plumose marking on joint surface in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 1 (23391640349).jpg 4,000 × 3,000; 5.84 MB
  
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  Plumose marking on joint surface in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 2 (23733446026).jpg 4,000 × 3,000; 5.82 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) 3 (22487523791).jpg 4,000 × 3,000; 4.37 MB
  
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  Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 11 (23733495115).jpg 4,000 × 3,000; 4.42 MB
  
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  Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 3 (23651025291).jpg 4,000 × 3,000; 4.71 MB
  
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  Thomsonite 2 in Basalt Hydrous calcium sodium aluminum silicate Grand Marais Cook Minnesota 1885.jpg 640 × 640; 72 KB
  
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  Thomsonite in Basalt Hydrous calcium sodium aluminum silicate Grand Marais Cook Minnesota 1884.jpg 640 × 640; 68 KB