- Mineral Resources
- Online Spatial Data
- National Mineral Resource Assessment 1998
Mineral assessment tracts in San Miguel county, Colorado
[Additional scientific data in this geographic area]
- CP03: Sediment-hosted Cu, redbed (30b.2) (Mesozoic) , covers 0.1 % of this area
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- CR08: Porphyry Cu (17) (Laramide) , covers 30 % of this area
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- CR09: Porphyry Cu (17) (Middle Tertiary) , covers 30 % of this area
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- CR26: Epithermal vein, quartz-adularia (25c + 25d) (Tertiary) , covers 4 % of this area
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- CR29: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 4 % of this area
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- CR31: Hot-spring Au-Ag (25a) (Tertiary) , covers 10 % of this area
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