Nevada · Pershing County
Producer

Rochester

Pershing County, Nevada, United States
GoldSilverLeadZincCopperAntimony
⌖ Show on mapUSGS source ↗
Description

John Nenzel

Commodities
PrimaryGold, Silver
SecondaryLead, Zinc, Copper, Antimony
Commodity typeM
Deposit
Model273: Low-sulfide Au-quartz vein
Deposit sizeL
Ore controlHigh Angle Faults
Materials
Ore mineralsAcanthite, Anglesite, Argentite, Chalcanthite, Chalcocite, Chalcopyrite, Chlorargyrite, Covellite, Electrum, Embolite, Galena, Melanterite, Owyheeite, Polybasite, Pyrargyrite, Pyrite, Pyrrhotite, Silver, Sphalerite, Stromeyerite
GangueGoethite, Hematite, Limonite, Quartz, Sericite
Geology
Host rockVolcanic Rock (Aphanitic),Volcanic Breccia (Agglomerate),Rhyolite · Rochester Rhyolite, Koipato Group;Weaver Formation, Koipato Group
StructureBroad, Asymmetrical Anticlinal Arch, 2 Major Normal Fault Systems; Post Mineral Faults
AlterationSilicification, Oxidation
Economic & production
Development statusProducer
Production years1912-1928; 1986-PRESENT
First production1912
Last production1993
Discovery year1905
Identification
Deposit ID10042547
MRDS IDM060371
Alternate namesCoeur Rochester, Nenzel Hill, NBMG Sample Site 2645
RegionNA
Data scoreA
Coordinates40.29073, -118.14153
References
1: ORAL PRESENTATION DURING ROCHESTER MINE TOUR, GSN, 25 SEPT/93 2: DATA FRO M NBMG SAMPLE 2645STRUSACKER, E., (ED.), 1993, GOLD AND SILVER DEPOSITSF WESTERN NEVADA: GEOLOGICAL SOCIETY OF NEVADA SPECIAL PUBLICATION NO.18, 1993 FALL FIELD TRIP GUIDESCHRADER, F.C., 1914, THE ROCHESTER MINING DISTRICT, NEVADA: USGS BULLETIN 580-MKNOPF, A., 1924, GEOLOGY AND ORE DEPOSITS OF THE ROCHESTER DISTRICT, NEVADA: USGS BULLETIN 762, PP.78-81VIKRE, P.G., 1977, GEOLOGY AND SILVER MINERALIZATION OF THE ROCHESTER DISTRICT, PERSHING COUNTY, NEVADA: STANFORD UNIVERSITY, UNPUBLISHED PHD. DISSERTATIONVIKRE, P.G., 1981, SILVER MINERALIZATION OF THE ROCHESTER DISTRICT, PERSHING COUNTY, NEVADA: ECONOMIC GEOLOGY, V.76, PP 580-609JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULLETIN 89, PP.78-80BONHAM, H.F. AND HESS, R.H., 1993, IN, THE NEVADA MINERAL INDUSTRY-1992: NBMG SPECIAL PUBLICATION MI-1992, P26TINGLEY, J.V., 1985, NENZEL HILL, NBMG SAMPLE 2645, PERSHING COUNTY, ROCHESTER DISTRICT; NBMG UNPUBLISHED MINING DISTRICT (TINGLEY) FILESNEVADA BUREAU OF MINES AND GEOLOGY, MINING DISTRICT FILES, VARIOUS CLIPPINGS, 1983-1985MINSEARCH ANNUAL, 1984-1985, V. VII, PP 380-384; METALS ECONOMICS GROUP, BOULDER, COBONHAM, H.F., GARSIDE, L.J., JONES, R.B., PAPKE, K.G., QUADE, J., TINGLEY, J.V., 1985, A MINERAL INVENTORY OF THE PARADISE-DENIO AND SONOMA-GERLACH, WINNEMUCCA DISTRICT, NEVADA: NBMG OPEN FILE REPORT 85-5NBMG, 1994, MI-1993NEVADA DIVISION OF MINERALS, 1994JOHNSON (1977, P.80); BONHAM AND HESS (1993, P.26) MI-1993