Category:Neoarchean geology of Minnesota

Subcategories

This category has the following 11 subcategories, out of 11 total.

Media in category "Neoarchean geology of Minnesota"

The following 8 files are in this category, out of 8 total.

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  Dacitic lapilli metatuff (dacitic meta-lapillistone) (Neoarchean, ~2.7-2.72 Ga; vicinity of Soudan Mine, Soudan, Minnesota, USA) 1 (21846263914).jpg 4,000 × 2,188; 4.46 MB
  
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  Greenstone (metagabbro) (metamorphism at ~2.7 Ga, Neoarchean; Rt. 169 roadcut south of Peyla, Minnesota, USA) 1 (23068991659).jpg 2,398 × 3,441; 3.32 MB
  
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  Interbedded metagraywacke-slate (Lake Vermilion Formation, Neoarchean, 2.695-2.722 Ga; Pike River Bridge outcrop, just north of Peyla, Minnesota, USA) 1 (21426298479).jpg 4,000 × 3,000; 3.68 MB
  
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  Magnetite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 2 (18418478564).jpg 4,000 × 3,000; 5.17 MB
  
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  Pyritic dacitic lapilli metatuff (pyritic dacitic meta-lapillistone) (Neoarchean, ~2.7-2.72 Ga; vicinity of Soudan Mine, Soudan, Minnesota, USA) (22479921471).jpg 4,000 × 1,932; 3.55 MB
  
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  Pyritic dacitic volcaniclastite (Lake Vermilion Formation, Neoarchean, 2.695-2.722 Ga; Rt. 169 roadcut, just west of Tower, Minnesota, USA) 3 (22786848054).jpg 4,000 × 2,754; 3.74 MB
  
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  Red quartz crystals lining void in specularite (Soudan Iron-Formation, Neoarchean, 2.722 Ga; Montana Stope, 27th level of the Soudan Mine, Soudan, Minnesota, USA) 3 (22451385585).jpg 4,000 × 3,000; 3.93 MB
  
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  Volcaniclastic sandstone (Lake Vermilion Formation, Neoarchean, 2.695-2.722 Ga; Rt. 169 roadcut between Tower & Peyla, Minnesota, USA) 1 (23353365471).jpg 4,000 × 3,000; 4.43 MB