Blue Bonanza Mine, Fairbanks North Star Borough, Alaska, USA
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Ore was minedfrom an inclined shaft 30'deep from a rich quartz vein 18" thick at the surface and narrowed with depth,richest ore was concentrated in a zone 12-15'below the surface.
Gold was visible both near and remote from the sulfides galena,pyrite and stibnite.Silver was present in tetrahedrite.
7 entries listed. 7 valid minerals.
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