Description
John J. Thrasher
Commodities
PrimaryTungsten
TertiaryMolybdenum, Copper
Commodity typeM
Deposit
Deposit typeContact Metamorphic
Model42: W skarn
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR TO TABULAR
Ore controlIgneous Contact Of Granodiorite With Carbonate Rocks
Materials
Ore mineralsChalcopyrite, Molybdenite, Powellite, Scheelite
GangueEpidote, Garnet, Pyrite, Pyroxene, Pyrrhotite, Quartz
Geology
Host rockHornfels,Schist,Skarn (Tactite),Limestone,Dolomite · Auld Lang Syne Group
Associated rockDiorite
AlterationSilicification
Economic & production
Development statusPast Producer
Discovery year1941
Identification
Deposit ID10047338
MRDS IDM242625
Alternate namesOld Thrasher, Milky Way, NBMG Sample Site 2921, NBMG Sample Site 2922
RegionNA
Data scoreB
Coordinates40.43738, -119.29211
References
QUADE, JACK, 1985, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS, 4 JUN 85.JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL 89, P. 58-60.JOHNSON, A.C., 1958, EXPLORATION, DEVELOPMENT, AND COSTS OF THE STORMY DAY TUNGSTEN MINE, PERSHING COUNTY, NEVADA: USBM I C 7854.WILSON, G.E., 1975, STUDIES OF SCHEELITE IN TACTITE DEPOSITS OF THE STORMY DAY MINE; PERSHING COUNTY, NEVADA: M.S. THESIS, UNR.STAGER, H. K. & TINGLEY, J. V., 1988, TUNGSTEN DEPOSITS IN NEVADA: NBMG BULL. 105.JOHNSON, A. C. AND BENSON, W. T., 1963, TUNGSTEN RESOURCES OF NEVADA: USBM OPEN-FILE REPORT.JOHNSON, M.G., P. 38