Description
Glenn Stephenson, Bert Roark
Commodities
PrimaryMercury
Commodity typeM
Deposit
Model177: Hot-spring Hg
Deposit sizeS
WorkingsSurface/Underground
Ore controlTwo Sets Of Fractures
Materials
Ore mineralsCinnabar, Limonite
GangueClay
Geology
Host rockRhyolite · Pike Creek Formation
AlterationSilicification, Clay Alteration
Economic & production
Development statusPast Producer
Production years1941 - 1942, 1961
Discovery year1938
Identification
Deposit ID10040269
MRDS IDM054972
Alternate namesStephanson and Bradley
RegionNA
Data scoreB
Coordinates42.57348, -118.55102
References
BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.BAILEY, E. H., USGS, PERSONAL FILESMERCURY 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) ROSS, C.P., 1942, QUICKSILVER DEPOSITS