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Archean - unnamed strata (1) |
Cambrian - Ignacio quartzite (1) |
Carboniferous - Cutler formation; Rico formation; Hermosa formation; Mola formation; Ouray limestone (1) |
Devonian - Ouray limestone; Elbert formation (1) |
Geology -- Colorado -- Hinsdale County -- Maps (1) |
Geology -- Colorado -- Ouray County -- Maps (1) |
Geology -- Colorado -- San Juan County -- Maps (1) |
Geology -- United States --Maps (1) |
Neogene - Burns latite; Eureka rhyolite; Picayune andesite; Silverton volcanic series undifferentiated; San Juan tuff; Telluride conglomerate; Potosi volcanic series (1) |
Paleogene - Burns latite; Eureka rhyolite; Picayune andesite; Silverton volcanic series undifferentiated; San Juan tuff; Telluride conglomerate; Potosi volcanic series (1) |