Express Mine (Express - Headlight Mine), Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA
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Deposit:: BURBANK, W.S., 1932, GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO: USGS PRO
Commodities (Major) - Gold, Silver; (Minor) - Lead, Copper, Zinc; (Trace) - Manganese
Development Status: Occurrence
Host Rock Unit: Intrusive Quartz Latite And Rhyolite, Rawley Andesite
Structure: Bonanza Caldera, Sawatch Range, San Juan Volcanic Field, Rio Grande Rift
Host Rock: Latite, Andesite, Quartz Latite, Porphyry
Tectonic Structure: Central Cordillera (Southern Rocky Mtns.)
13 entries listed. 13 valid minerals.
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