Category:Petrology of Minnesota

Subcategories

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

Media in category "Petrology of Minnesota"

The following 15 files are in this category, out of 15 total.

• 
  Bluegreen-shale-335x-scalebar.jpg 1,600 × 1,300; 1.14 MB
  
• 
  Jaspilite (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Soudan Mine, Soudan, Minnesota, USA) 6 (19034309581).jpg 3,636 × 3,000; 3.08 MB
  
• 
  Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 4 (18852383290).jpg 3,280 × 2,989; 4.22 MB
  
• 
  Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 8 (18417530444).jpg 4,000 × 3,000; 4.08 MB
  
• 
  Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 9 (18852318920).jpg 2,658 × 2,995; 2.48 MB
  
• 
  Magnetite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 3 (19044131471).jpg 4,000 × 3,000; 4.67 MB
  
• 
  Magnetite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 4 (18854801339).jpg 4,000 × 3,000; 6.48 MB
  
• 
  Magnetite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 9 (19044004171).jpg 4,000 × 3,000; 6.13 MB
  
• 
  Metamorphosed pillow basalt (Ely Greenstone, Neoarchean, ~2.722 Ga; large glacial erratic along Main Street, Ely, Minnesota, USA) 8 (21462644081).jpg 4,000 × 3,000; 5.08 MB
  
• 
  Pyritic iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Vermilion Iron Range, Minnesota, USA) (23427270181).jpg 2,533 × 2,480; 3.85 MB
  
• 
  Quartzose sandstones (Jordan Sandstone, Upper Cambrian; roadcut on the northern side of Stillwater, Minnesota, USA) 8 (18787622650).jpg 4,000 × 3,000; 3.54 MB
  
• 
  Soudan Underground Mine SP IMG 1051 red quartz.JPG 5,184 × 3,456; 9.64 MB
  
• 
  Soudan Underground Mine SP IMG 1054 quartz and chalcopyrite.JPG 5,184 × 3,456; 6.77 MB
  
• 
  Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Soudan Mine, Soudan, Minnesota, USA) 16 (19034940741).jpg 4,000 × 3,000; 5.17 MB
  
• 
  Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Soudan Mine, Soudan, Minnesota, USA) 17 (18411127373).jpg 4,000 × 3,000; 5.2 MB