Mine detail: Banfield

Previously called 'South Umpqua Mining Co.'

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Location: Douglas County, Oregon, United States, North America
Lat / long: 42.8351, -122.93254
dep_id: 10040961
mrds_id: M055859
Commodity type: metallic
Major mineral: Copper, Silver
Trace mineral: Mercury
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite, Cinnabar
gangue: Calcite, Magnetite, Pyrite, Quartz
orebody_fm: IRREGULAR STRINGERS AND LENSES
work_type: Unknown
alteration: Host Rocks Are Bleached Nearly White By Hydrothermal Solutions
ore_ctrl: Altered Schist Belt Several Hundred Feet Wide , Which Is Bounded On The West By Diorite And On The East By Tertiary Volcanics
Reporter: Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J., Peterson, Jocelyn A.
hrock_type: Greenstone
arock_type: Greenstone
prod_yrs: 1928, 1956
References:
  • Deposit:: RAMP, L., 1972, GEOLOGY AND MINERAL RESOURCES OF DOUGLAS COUNTY, OREGON: ODGMI BULL. 75, P. 26
  • Deposit:: OREGON METAL MINES HANDBOOK, 1940: ODGMI BULL. 14-C, VOL. 1-COOS, CURRY, AND DOUGLAS COUNTIES, P. 128
  • Deposit:: MERCURY IN OREGON, 1965, USBM IC 8252
  • Deposit:: FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,000
  • Deposit:: 5) OREGON METAL MINES HANDBOOK, 1941, BULL
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