Mine detail: Golconda

Previously called ''

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Location

Lat / long:

44.82013, -118.21522

Resource(M)

Primary:	Gold, Copper, Silver
Tertiary:	Zinc, Arsenic, Antimony
Ore:	Chalcopyrite, Gold, Marcasite, Pyrite, Sphalerite, Tetrahedrite
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
Production years:	1897 - 1904

Geology

Host rock:	Elkhorn Ridge Argillite
Host type:	Argillite
Associated type:	Gabbro
Structure:	East-West Trending Thrust Fault
Tectonic:	Oceanic Sediments

References

MRDS	M014103
DEP	10109334
Reference	{Deposit:: BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P.75}{Deposit:: OREGON METAL MINES HANDBOOK, 1939, ODGMI BULL. 14-A,P.36}{Deposit:: LINDGREN, W., 1901, THE GOLD BELT OF THE BLUE MOUNTAINS OF EASTERN OREGON; USGS ANN. REPT. NO. 22, P.665}{Deposit:: BROOKS, H.C. AND OTHERS, 1981, MAP OF THE GEOLOGY AND GOLD DEPOSITS OF THE BOURNE QUADRANGLE, BAKER AND GRANT COUNTIES, OREGON; ODGMI MAP GMS-19}
Reporter	Lee, W., Bradley, Robin (Walker, George W.), Gray, Jerry J.