Category:Hasmark Formation

Media in category "Hasmark Formation"

The following 2 files are in this category, out of 2 total.

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  Chalcopyrite-pyrrhotite (Late Cretaceous; Cable Mine, ~1.4 miles east of Georgetown, Deer Lodge County, western Montana, USA) 2.jpg 2,236 × 2,256; 1.83 MB
  
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  Chalcopyrite-pyrrhotite (Late Cretaceous; Cable Mine, ~1.4 miles east of Georgetown, Deer Lodge County, western Montana, USA) 4.jpg 2,836 × 2,312; 1.79 MB