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Hancock Mine | |
Mining District and MinesGreaterville District USBM: Historical: Worked in 1885, shipped a small amount of high grade Pb - Ag ore; 1 LocationSE¼. sec. 14, T. 19 S., R. 15 E.1 31.78152N, -110.77512W1 Mineral ProductsUSBM: samples 138. Ag 270 ppm, Au 260 ppb, Bi 222 ppm, Cr 800 ppm, Cu 1,150 ppm, Pb 9220 ppm, Zn 630 ppm1. GeologyQuartz vein cutting granite. Vein is vuggy and contains pyrite, galena, limonite, and haematite 1. Type of Operation and ProductionShaft 100 ft. deep. USBM: shaft flooded at 15 ft. depth.3 References
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