Category:Iron Hill Carbonatite Complex
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Media in category "Iron Hill Carbonatite Complex"
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