Mine detail: Kramer Hill Mine

Previously called 'Golconda Gold Ledge Mining Co.'

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Location

Lat / long:

40.92628, -117.50263

Resource(M)

Primary:	Gold, Silver
Gangue:	Pyrite
Orebody form:	TABULAR
Discovery year:	1907

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1908- ??; 1990- PRESENT (1991)
First production started:	1908

Geology

Host rock:	Twin Canyon Member Of Osgood Mt. Qtzt
Host type:	Quartzite
Alteration processes:	Silicification And Argillization. Both The Fault And Hanging Wall Fracture Zone Are Silicified. The Shaley Rocks Of The Hanging Wall Fracture Zone Are Strongly Argillized. The Clays Produced By Argillization Are Kaolinite, Dickite, Illite(?), And An Unidentified Expanding Variety.

References

MRDS	M231261
DEP	10043952
Reference	{Deposit:: PIERCE, C.A. (NO DATE), PRIVATE REPORT, NBMG FILES (128,ITEM 2)}{Deposit:: VANDERBURG, W.O., 1938, RECONNAISSANCE OF MINING DISTRICTS IN HUMBOLDT CO., NEV: USBM I.C.6995}{Deposit:: KRETSCHMER, E.L., 1991, GEOLOGY OF THE KRAMER HILL GOLD DEPOSIT, HUMBOLDT COUNTY, NEVADA, IN RAINES, G.L., ET AL, EDS., GEOLOGY AND ORE DEPOSITS OF THE GREAT BASIN, THE GEOLOGICAL SOCIETY OF NEVADA, RENO, P. 857-863.}{Production:: PIERCE, C.A. (NO DATE); VANDERBURG, W.O., 1938 KRETSCHMER, E.L., 1991, GEOLOGY OF THE KRAMER HILL GOLD DEPOSIT, HUMBOLDT COUNTY, NEVADA, IN RAINES, G.L., ET AL, EDS., GEOLOGY AND ORE DEPOSITS OF THE GREAT BASIN, THE GEOLOGICAL SOCIETY OF NEVADA, RENO, P. 857-863.}
Reporter	Tingley, J.V., Phinisey, J. D. (Marcus, S.), Li, Zhiping (Peters, S.)