Description
Glenn Stephenson, Andrew Shull, Bert Roark
Commodities
PrimaryMercury, Copper
Commodity typeM
Deposit
Model154: Epithermal quartz-alunite Au
Deposit sizeN
WorkingsSurface/Underground
Ore controlBrecciated Reef
Materials
Ore mineralsChalcopyrite, Cinnabar, Malachite
GangueDolomite, Quartz
Geology
Host rockAndesite · Steens Mountain Volcanic Series
StructureBrecciation
AlterationSilicification, Kaolinization
Economic & production
Development statusOccurrence
Discovery year1939
Identification
Deposit ID10040256
MRDS IDM054957
Alternate namesO'Keefe Copper ?
RegionNA
Data scoreB
Coordinates42.20293, -118.68823
References
BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.U.S. GEOLOGICAL SURVEY BULLETIN 995-B, 1953, P. 55.WILLIAMS, H. AND COMPTON, R.R., 1953, QUICKSILVER DEPOSITS OF STEENS MOUNTAIN AND PUEBLO MOUNTAINS, SOUTHEAST OREGON; USGS BULL. 995-B, P.55ROSS, C.P., 1942, QUICKSILVER DEPOSITS IN THE STEENS AND PUEBLO MOUNTAINS, SOUTHERN OREGON; USGS BULL. 931-J, P.255