Commodities
PrimaryGold, Silver
SecondaryMercury
TertiaryAntimony
Commodity typeM
Deposit
Deposit typevolcanic replacement along a fault-breccia, epithermal
Model177: Hot-spring Hg
Deposit sizeS
Orebody formtabular
Ore controlOre deposition was controlled by brecciated zones along northeast- and northwest-trending fault zones.
Materials
Ore mineralsGold, Cinnabar, Jarosite, Clay, Pyrite, Stibnite
GangueChalcedony
Geology
Host rockSedimentary Rock,Andesite,Tuff,Rhyolite · "Palmetto Formation", "GILBERT ANDESITE"
Structurenortheast- and northwest-trending fault zones.
Alterationsilicification of volcanics and sedimentary rocks.
Economic & production
Development statusPast Producer
Discovery year1928
Identification
Deposit ID10310346
MRDS IDM241845
Alternate namesBlack Rock prospect, Berg prospect, Boss prospect
RegionNA
Data scoreB
Coordinates38.08549, -117.74676
References
Bailey, E.H., and Phoenix, D.A., 1944, Quicksilver Deposits in Nevada: Univ. Nev. Bull. Vol. 38, No. 5, Geol & Min. Ser. No 41, p.75.Albers, J.P. and Stewart, J.H., 1972, Geology and Mineral Deposits of Esmeralda Co, Nev: N.B.M.G. Bull. 78, p. 67, Pl. 2.Silberman, M.L. and McKee, E.H., 1974, In NBMG Report 19, p. 71.Lawrence, E.F., 1963, NBMG Bull. 61, p. 64-65Smith & Bentz, Field Examination, 23 September 1982NBMG MI-87 through MI-03NBMG Map 91, 1st, 2nd, 3rd editionsTonopah Land Status, 1978Amer. Mines (1989, 1990), 1989, 1990http://www.seabridgegold.netBLM Claim MicroficheLong, 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 disketteDenver Mining Record, 10/30/96Northern Miner, 11/4/96Rayrock Resources Inc. news releases, 5/27/98, 11/13/98Seabridge Resources Inc. press release, 10/10/2000.