Mine detail: Fisher

Previously called 'RegalSheepheredDoan Group'

<< Back to the map

Location

Lat / long:

42.3882, -118.65324

Resource(B)

Primary:	Mercury
Tertiary:	Barium-Barite, Copper
Ore:	Chalcopyrite, Chrysocolla, Cinnabar, Malachite
Gangue:	Chalcedony, Kaolinite, Opal
Discovery year:	1937

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Steens Mountain Volcanic Series
Host type:	Andesite
Associated type:	Dacite
Alteration processes:	Kaolinization, Silicification

References

MRDS	M054965
DEP	10040264
Reference	{Deposit:: BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.}{Deposit:: BAILEY, E. H., USGS, PERSONAL FILES}{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) ROSS, C.P., 1942, QUICKSILVER DEPOSITS}{Production:: BROOKS, 1963}
Reporter	Peterson, Jocelyn A., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J., Li, Zhiping (Peters, S.)