Mine detail: Hercules Property

Previously called 'Fire AngelHercules MineHydra-Hercules ProjectNBMG sample sites 3767 and 3768'

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Location

Lat / long: 39.23046, -119.45766

Resource(M)

Primary: Gold, Silver
Ore: Gold
Gangue: Pyrite
Orebody form: tabular
Discovery year: 1995

Production

Operation type: Surface-Underground
Deposit type: brecciated vein
Production size: Yes
Development status: Past Producer

Geology

Host type:Andesite,Pyroclastic Rock
Structure:shear zone, dipping 80-85E, vein 5-10E and greater than or equal to 20 feet thickK., The mine is located at the northern end of the Walker Lane Trend.
Alteration processes:Hydrothermal alteration along brecciated zones

References

MRDSRE00005
DEP10310426
Reference{Deposit:: Quade, Jack, 1989, Field Notes on the Hercules Mine; Como Mining District; Lyon County, NBMG Unpublished Mining District Files.}{Deposit:: September 24, 1997, Adamas Resources Corp. press release.}{Deposit:: NBMG MI-89, MI-96; MI-97}{Deposit:: Amer. Mines (1990), 1990}{Deposit:: Amer. Mines (1998), 1997}{Deposit:: Mining Record, 4 Jun 1997.}{Deposit:: Horizon Gold 1989 Annual Report}{Deposit:: Location info from David Shaddrick, oral communication (1998).}{Deposit:: Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States; Part A, Database description and analysis; part B, Digital database: U.S. Geological Survey Open-File Report 98-206, 33 p., one 3.5 inch diskette.}{Deposit:: Miranda Gold Corp. news releases, 8/12/2004, 11/2/2004.}{Deposit:: NBMG MI-2004.}{Deposit:: Horizon Gold 1989 Annual Report (Fire Angel deposit)}
ReporterSkurski, M. (Marcus, Sue), Moyer, Lorre A. (Marcus, S.M.), Sachiko Tanikawa, LaPointe, D.D., Schruben, Paul G., Buckingham, David A.