Mine detail: Bunker Hill

Previously called 'RobertsonProgressive'

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Location

Lat / long:

42.55426, -123.72366

Resource(M)

Primary:	Gold, Silver
Tertiary:	Tellurium, Bismuth
Ore:	Gold, Pyrite
Gangue:	Calcite, Epidote, Quartz
Orebody form:	LENS, BRANCHING VEINS

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
Production years:	1924-1942

Geology

Host rock:	Rogue;Dothan
Host type:	Greenstone
Associated type:	Diorite
Alteration processes:	Propylitization?

References

MRDS	M060756
DEP	10042760
Reference	{Deposit:: RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45 P}{Deposit:: BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON, ODGMI BULL. 61, P. 206}{Deposit:: SHENNON, P.J., 1933, GEOLOGY OF THE ROBERTSON, HUMDIGER AND ROBERT E. GOLD MINES, SOUTHWESTERN OREGON; USGS BULL. 830-B, P. 40}{Production:: USBM}
Reporter	Smith, Roscoe M. And Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J., Johnson, Maureen G.