Mine detail: Olinghouse Mine

Previously called ''

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Location

Lat / long:

39.66585, -119.427

Resource(M)

Primary:	Silver, Gold
Tertiary:	Arsenic, Zinc, Lead, Copper, Mercury, Antimony
Ore:	Gold, Electrum, Galena, Pyrite, Sphalerite
Gangue:	Chalcopyrite
Orebody form:	tabular
Discovery year:	1994

Production

Operation type:	Surface
Deposit type:	closely spaced veins
Production size:	Small
Development status:	Producer

Geology

Host rock:	Pyramid Sequence
Host type:	Basalt,Andesite,Volcanic Breccia (Agglomerate),Mixed Clastic/Volcanic Rock
Structure:	Ne-trending faults of the Olinghouse Fault Zone, The NE-trending Olinghouse Fault runs through the property, a regional left-lateral strike-slip structure with dip-slip component, and recent movement (probably the site of a major earthquake in 1869). The north end of the Walker Lane fault zone passes just east of the Olinghouse district.
Tectonic:	Situated near the western boundary of the Basin and Range tectonic province
Alteration processes:	With the exception of a broad zone of propylitic alteration, the alteration features at Olinghouse are unusually subtle. On the surface, the quartz veins are narrow and there is essentially no color anomaly. The replacement of plagioclase by K-feldspar surrounding the veins can be determined only in thin section, and the alteration halo is small.

References

DEP	10310550
Reference	{Deposit:: Pay Dirt, 5/1/96}{Deposit:: Pay Dirt, 11/1/96}{Deposit:: Denver Mining Record, 8/2/95}{Deposit:: Denver Mining Record, 6/5/96}{Deposit:: Denver Mining Record, 9/4/96}{Deposit:: Northern Miner, 8/28/95}{Deposit:: Northern Miner, 9/11/95}{Deposit:: Northern Miner, 1/22/96}{Deposit:: Skillings Mining Review, 1/20/96}{Deposit:: Skillings Mining Review, 10/26/96}{Deposit:: Draft Environmental Impact Statement, Olinghouse Mine Project, Sept. 1997}{Deposit:: Final Environmental Impact Statement, Olinghouse Mine Project, Feb.1998}{Deposit:: Alta Gold Co, 1997 Annual Report}{Deposit:: Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Significant deposits of gold, silver, copper, lead, and zinc in the United States: U.S. Geological Survey Open-File Report 90-206A, 33 p.; 98-206B. one 3.5 inch diskette.}
Reporter	Schruben, Paul G., LaPointe, D.D.