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Primos Chemical Co Vanadium Mine (448)

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Mine name Primos Chemical Co Vanadium Mine
State Colorado
County San Miguel
Mineral Vanadium
Author Hess, F.L.
Vanadium ore near roof of Primos Chemical Company's vanadium mine on the east side of Big Bear Creek about 100 feet from the portal. The ore at this pint was 35 feet thick. The light streaks in the picture show silicifies sandstone; the darker blotches are vanadiferous sandstone. San Miguel County, Colorado. August 3, 1911.
Caption Vanadium ore near roof of Primos Chemical Company's vanadium mine on the east side of Big Bear Creek about 100 feet from the portal. The ore at this pint was 35 feet thick. The light streaks in the picture show silicifies sandstone; the darker blotches are vanadiferous sandstone. San Miguel County, Colorado. August 3, 1911.