Description
Present Owners
Commodities
PrimaryMercury, Copper
Commodity typeM
Deposit
Model154: Epithermal quartz-alunite Au
Deposit sizeN
WorkingsSurface/Underground
Materials
Ore mineralsChalcopyrite, Cinnabar
GangueChalcedony, Dolomite, Opal
Geology
Host rockAndesite · Steens Mountain Volcanic Series
Associated rockBasalt
AlterationHydrothermal Alteration
Economic & production
Development statusOccurrence
Discovery year1941
Identification
Deposit ID10040243
MRDS IDM054941
Alternate namesSurprise Group, Ajax Claims
RegionNA
Data scoreC
Coordinates42.21487, -118.68852
References
MERCURY IN OREGON: USBM IC 8252FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,000WILLIAMS, H. AND COMPTON, R.R., 1953, QUICKSILVER DEPOSITS OF THE STEENS MOUNTAIN AND PUEBLO MOUNTAINS, SOUTHEAST OREGON.: USGS BULL. 995-B, P. 19-77