Blue Bonanza Mine, Fairbanks North Star Borough, Alaska, USALocated on the divide between Sheep Creek and Nugget Creek at an elevation of 1900',in the NW1/4 NE1/4,section 25,T.1 N.,R.3 W.,Fairbanks Meridian.
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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Locality Updated: Dogna, Udine Province, Friuli Venezia Giulia, ItalyFrom Paolo Bosio, 27th Nov 2014 16:50:18