Category:Gold bearing geologic formations

Subcategories

This category has the following 4 subcategories, out of 4 total.

Media in category "Gold bearing geologic formations"

The following 4 files are in this category, out of 4 total.

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  Auriferous opalite, Vulcan Mine, Colorado 1 (14550601619).jpg 2,988 × 1,663; 4.13 MB
  
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  Auriferous opalite, Vulcan Mine, Colorado 2 (14550787507).jpg 3,008 × 2,000; 5.14 MB
  
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  Auriferous volcanic breccia (Little Annie Mine, Summitville Mining District, San Juan Mountains, Colorado, USA) 1 (16424612663).jpg 2,917 × 2,257; 2.91 MB
  
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  Auriferous, uraninitic, hydrocarbon-rich stromatolite rock (Carbon Leader Gold Ore, South Africa) 2 (14533147268).jpg 1,600 × 1,269; 350 KB