Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Deposit typeepithermal dissemination; hot-spring gold-silver
Model150: Epithermal vein, Comstock
Deposit sizeN
Orebody formblanket, irregular
Ore controlMineralization occurs in silicified zones controlled by north-trending faults and thought to be related to hot spring activity.
Geology
Host rockRhyolite,Tuff
Associated rockPyroclastic Rock,Mixed Clastic/Volcanic Rock
Structurefaulting and fracturing
AlterationHigh-level alteration consisting of chalcedonic and opaline silica, argillization and anomalous pathfinder geochemistry appears widespread and suggests that the mineral system is large. Silicification is prevalent.
Economic & production
Development statusProducer
Discovery year1930
Identification
Deposit ID10310464
MRDS IDM242881
Alternate namesD B Claim, D B Nos. 1-17 Claims, Bunce Lease, Discovery Zone, North Zone, Santa Fe East Zone, Santa Fe West Zone
RegionNA
Data scoreB
Coordinates40.26572, -118.80377
References
MineSearch Annual, 1984-85, vol vii, p. 69-70.Hillside Energy Corp News Release, 2/15/85, 3/21/85.BLM Mining Claim Data.NBMG Bulletin 89, Pl. 1."Noramex Focusing on Gold Deposits in Nevada", The Mining Record, April 24, 1991, p. 9.NBMG MI-89 thru MI-03Amer. Mines (1989), 1989Amer. Mines (1990), 1990Amer. Mines (1991-1992), 1991Noramex News Releases, 1989-1990MASMILS 0320270873Lovelock Land Status, 1978AuEx website: http://www.auex.com/projects/bunce/bunce.mgiMasterston, Wilmer D. IV, 1981, Kyle, J. R., 1981, Epithermal Gold Mineralization in the Velvet District, Pershing County, Nevada, MA Thesis, Univ. of Texas at Austin.