Ryan Lode Mine, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
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|Latitude & Longitude (WGS84):||64° 51' 45'' North , 147° 59' 35'' West|
|Latitude & Longitude (decimal):||64.8626276644, -147.993064124|
Ref.: USGS OFR 98-287 (Freeman,1998).
Located in the NW¼ NE¼ sec.5, T.1S., R.2W., Fairbanks Meridian, on the ridge between Eva Creek St Patrick Creek.
The Ryan Lode is underlain by the Fairbanks Schist that consists of quartz-mica schist, mica schist, and calcareous schist. Ore deposits occur in 2 shear zones: the Ryan shear and the Curlew shear. Quartz veins in the shear zones contain gold, arsenopyrite, pyrite, and stibnite.
Work on the property started as early as 1913. In 1913, consisted of a 200 foot deep shaft, 300 foot tunnel, open pits, and other shallow shafts. Between 1938 and 1942 it consisted of 1500 feet of shafts, 2000 feet of drifts, adits, and crosscuts, and more than 2800 feet of trenching. From 1987 to 1989, the site was developed by open pit, producing 320,000 tons of ore yeilding 19,220 ozs. of gold and 14,330 ozs. of silver.
7 valid minerals.
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