Mine detail: Red Cloud Mine

Previously called 'Mother Lode'

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Location

Lat / long:

42.77843, -122.94587

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Pyrite, Quartz
Discovery year:	1907

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1907 - 1941

Geology

Host rock:	Applegate Group;Applegate Group;Applegate Group
Host type:	Hornblendite
Structure:	Faults, Shear Zones
Alteration processes:	Limonitized And Carbonatized Clay Gouge

References

MRDS	M055830
DEP	10103832
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, TABLE 26, P. 322.}{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) OREGON METAL MINES HANDBOOK, 1941, BULL}
Reporter	Peterson, Jocelyn A., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.