Mine detail: Pine Nut Molybdenum Prospect

Previously called 'Gardnerville Mine AreaAlpine ClaimCosmos ClaimExtension ClaimOwl ClaimRamona ClaimScheelite ClaimTungstate Claim'

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Location

Lat / long: 38.87019, -119.62488

Resource(M)

Primary: Molybdenum, Tungsten
Secondary: Gold, Copper
Ore: Scheelite, Powellite, Molybdenite, Huebnerite, Pyrite, Sericite, Calcite, Limonite, Hematite
Gangue: Quartz
Orebody form: disseminated
Discovery year: 1960

Production

Operation type: Surface-Underground
Deposit type: Pluton-related
Production size: Small
Development status: Past Producer
Production years: 1937-1940, 1951-1956
First production started: 1937
Last production ended: 1956

Geology

Host rock:Oreana Peak Fm
Host type:Metasedimentary Rock,Metavolcanic Rock,Skarn (Tactite),Dolomite
Associated type:Quartz Monzonite,Porphyry,Schist
Structure:Rocks in the district have been affected by a broad NNE-trending anticline, and by two sets of faults, one striking NNE and one striking NW to NNW, more prominent in the prospect area.
Tectonic:Tertiary to Recent Basin and Range type faulting bounds the ranges.
Alteration processes:Host rocks have been silicified, sericitized, and K-feldspar altered.

References

MRDSD001198
DEP10310342
Reference{Deposit:: Hill, J. M., 1915 , Some Mining Districts in NE Calif. and NW Nev., USGS, Bull. 594}{Deposit:: Muncaster, N., 1967, A review of the Pine Nut, Nevada molybdenum prospect: Climax Molybdenum Company unpublished report, 6p}{Deposit:: Stager and Tingley, 1988, NBMG Bull. 105, p. 46.}{Deposit:: Unpubl. Nev. Bureau of Mines Files}{Deposit:: Lemmon, D.M., Unpublished Data.}{Deposit:: Lemmon, D.M., and Tweto, O.L., 1962, Tungsten in The U.S., USGS Map, MR-25.}{Deposit:: Moore, J. G., 1969 , Geology and Mineral Deposits of Lyon, Douglas and Ormsby Counties, Nev., Nevada Bureau Of Mines, Bulletin 75.}{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:: Lyon, R. J. P., 1975, Correlation between ground metal analysis, vegetation reflectance, and ERTS brightness over a molybdenum skarn deposit, Pine Nut Mountains, western Nevada; Proceedings of the International Symposium on Remote Sensing of Environment, no.10, Vol. 2, pp.1031-1037.}{Deposit:: Felix E. Mutschler, Steve Ludington, and Arthur A. Bookstrom, 1999, Giant Porphyry-Related Metal Camps of the World-A Database; USGS Open-File Report 99-556.}
ReporterLaPointe, D.D. , Schruben, Paul G.