Category:Mesoproterozoic rocks in Minnesota

Subcategories

This category has the following 3 subcategories, out of 3 total.

Media in category "Mesoproterozoic rocks in Minnesota"

The following 5 files are in this category, out of 5 total.

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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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  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) 14 (21856319333).jpg 4,000 × 3,000; 4.19 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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  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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  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