Mine detail: Cobb Creek Prospect

Previously called 'Orvana projectMcCall zone'

<< Back to the map

Location

Lat / long:

41.7749, -116.02593

Resource(M)

Primary:	Gold, Silver
Tertiary:	Arsenic
Ore:	Gold
Discovery year:	1983

Production

Operation type:	Surface
Deposit type:	Sediment-hosted disseminated gold
Production size:	Unknown
Development status:	Occurrence

Geology

Host rock:	Valmy Formation
Host type:	Greenstone
Structure:	Roberts Mountains Thrust
Alteration processes:	The Valmy Formation greenstone host rock has been argillized, potassium metasomatized, and weakly silicified.

References

MRDS	MP90052
DEP	10310533
Reference	{Deposit:: Pan Orvana Resources Inc., 1988 Annual Report}{Deposit:: La Pointe and others, 1991, NBMG Bull. 106}{Deposit:: Schmauch and others, 1992, Mineral resources of the Independence Range Special Study Area, Elko County, Nevada: U.S. Bureau of Mines Mineral Land Assessment Report MLA 17-92, 141 p.}{Deposit:: NBMG MI-96; MI-97}{Deposit:: Northern Miner, 1988}{Deposit:: Spokane Spokesman Review, 1983}{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.}{Deposit:: Staccato Gold}{Deposit:: Resources Ltd. news release, 11/19/2004.}
Reporter	Schruben, Paul G., Sachiko Tanikawa, LaPointe, D.D.