Commodities
PrimaryTungsten
TertiaryIron, Copper, Manganese
Commodity typeM
Deposit
Model42: W skarn
Deposit sizeS
Orebody formIRREGULAR CONTACT ZONE
Ore controlTactite At Igneous Contact; Favorable Beds
Materials
Ore mineralsPyrite, Scheelite
GangueGarnet, Nontronite, Quartz, Tremolite
Geology
Host rockDiorite,Limestone · Preble Formation
Associated rockDiorite · Osgood Mtns. Stock
StructureClosely Spaced Joints Trend N10e, Dip 28w
AlterationNontronite-Alteration Of Garnet; Mica, Chlorite Altered Zones In Both Hornfels And Granodiorite, Associated With Joint Set: Apatite, Scheelite, Chlorite, Silicification, White Mica, Goethite, Limonite.
Economic & production
Development statusPast Producer
First production1951
Discovery year1951
Identification
Deposit ID10045084
MRDS IDM232743
Alternate namesMay Overlap Knight Prospect Ed Knight's Claims, NBMG Sample Site 2616, R. E. Claims Pit, T.N.T. Lease
RegionNA
Data scoreB
Coordinates41.20822, -117.28485
References
WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO. NEV.; NEV. BUREAU OF MINES BULL. 59.HOTZ, P.E., AND WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD MTNS. QUADRANGLE HUMBOLDT CO., NEV.; U.S.G.S. PROF PAPER 431.HOBBS, S.W., CLABAOUGH, S.E., 1946, TUNGSTEN DEPOSITS OF THE OSGOOD RANGE, HUMBOLDT CO, NEV., UNIV NEV. BULL 40, NO. 5; GEOL. & MIN. SER. NO. 44.TINGLEY, J. V., 6 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.NBMG STAFF, 1985,NBMG OFR 85-3STAGER, H. K., IN PREPARATION, 1986, NBMG BULL ON TUNGSTEN DEPOSITS OF NEVADA.HOTZ, P.E. AND WILLDEN, R., 1964; STAGER, IN PREP.; TINGLEY, 1984.