Mine detail: Banfield

Previously called 'South Umpqua Mining Co.'

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Location

Lat / long:

42.8351, -122.93254

Resource(M)

Primary:	Copper, Silver
Tertiary:	Mercury
Ore:	Chalcopyrite, Cinnabar
Gangue:	Calcite, Magnetite, Pyrite, Quartz
Orebody form:	IRREGULAR STRINGERS AND LENSES

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1928, 1956

Geology

Host type:	Greenstone
Associated type:	Greenstone
Alteration processes:	Host Rocks Are Bleached Nearly White By Hydrothermal Solutions

References

MRDS	M055859
DEP	10040961
Reference	{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}
Reporter	Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J., Peterson, Jocelyn A.