Category:Precambrian schist from South Dakota

Media in category "Precambrian schist from South Dakota"

The following 3 files are in this category, out of 3 total.

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  Phlogopite-actinolite schist (Precambrian; near Custer, South Dakota, USA) 1 (49155293918).jpg 2,934 × 2,000; 5.38 MB
  
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  Phlogopite-actinolite schist (Precambrian; near Custer, South Dakota, USA) 2 (49156003442).jpg 4,000 × 3,000; 9.29 MB
  
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  Tourmaline-mica schist (Precambrian; near Custer, South Dakota, USA) (49155675956).jpg 2,802 × 2,621; 6.96 MB