Commodities
PrimaryCopper, Silver
TertiaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnknown
Orebody formIRREGULAR STRINGERS AND LENSES
Ore controlAltered Schist Belt Several Hundred Feet Wide , Which Is Bounded On The West By Diorite And On The East By Tertiary Volcanics
Materials
Ore mineralsChalcopyrite, Cinnabar
GangueCalcite, Magnetite, Pyrite, Quartz
Geology
Host rockGreenstone
Associated rockGreenstone
AlterationHost Rocks Are Bleached Nearly White By Hydrothermal Solutions
Economic & production
Development statusPast Producer
Production years1928, 1956
Identification
Deposit ID10040961
MRDS IDM055859
Alternate namesSouth Umpqua Mining Co.
RegionNA
Data scoreB
Coordinates42.8351, -122.93254
References
RAMP, L., 1972, GEOLOGY AND MINERAL RESOURCES OF DOUGLAS COUNTY, OREGON: ODGMI BULL. 75, P. 26OREGON METAL MINES HANDBOOK, 1940: ODGMI BULL. 14-C, VOL. 1-COOS, CURRY, AND DOUGLAS COUNTIES, P. 128MERCURY IN OREGON, 1965, USBM IC 8252FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,0005) OREGON METAL MINES HANDBOOK, 1941, BULL