Category:Veins (geology) in Montana
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This category has the following 2 subcategories, out of 2 total.
Media in category "Veins (geology) in Montana"
The following 4 files are in this category, out of 4 total.
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Molybdenite veins in quartz monzonite (Continental Mine, Butte, Montana, USA) 5.jpg 3,008 × 2,000; 5.81 MB
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Veins in host rock (drill core) (Butte Mining District, Montana, USA) 2.jpg 1,233 × 2,000; 2.26 MB
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Veins in host rock (drill core) (Butte Mining District, Montana, USA) 3.jpg 3,008 × 1,759; 4.15 MB