Mine detail: Angel Peak

Previously called 'Four Square'

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Location

Lat / long:

42.32096, -120.74414

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Alunite
Orebody form:	PODS
Discovery year:	1956

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1958 - 1959

Geology

Host type:	Tuff,Volcanic Breccia (Agglomerate)
Alteration processes:	Host Rocks Are Partly Opalized

References

MRDS	M054992
DEP	10103767
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:: PETERSON, N. V. AND MCINTYRE, J. R., 1970, THE RECONNAISANCE GEOLOGY AND MINERAL RESOURCES OF EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY, OREGON: ODGMI BULL. 66, P. 49}
Reporter	Peterson, Jocelyn A., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.