Mine detail: Richmond Mine

Previously called 'Louisa PatentNBMG Sample Site 2617'

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Location

Lat / long: 41.20822, -117.29263

Resource(M)

Primary: Tungsten
Secondary: Silver
Tertiary: Lead, Zinc, Copper, Molybdenum, Iron
Ore: Chalcopyrite, Galena, Pyrite, Scheelite, Sphalerite
Gangue: Calcite, Epidote, Garnet, Quartz
Orebody form: TABULAR
Discovery year: 1874

Production

Operation type: Unknown
Deposit type: Contact Metamorphic
Production size: Small
Development status: Past Producer
First production started: 1942
Last production ended: 1954

Geology

Host rock:Preble Formation
Host type:Hornfels,Argillite,Limestone
Associated rock:Osgood Mtns. Stock
Associated type:Diorite

References

MRDSM232750
DEP10045090
Reference{Deposit:: WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT COUNTY, NEV; NEV. BUREAU OF MINES BULL. 59.}{Deposit:: HOTZ, P.E., AND WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD MOUNTAINS QUADRANGLE HUMBOLDT CO., NEV; U.S.G.S. PROF. PAPER 431.}{Deposit:: HOBBS, S.W. AND CLABAUTH, S.E., 1946, TUNGSTEN DEPOSITS OF THE OSGOOD RANGE, HUMBOLDT COUNTY, NEV. UNIV. NEV. BULL. VOL. 40, NO. 5; GEOL. & MIN. SER. NO. 44.}{Deposit:: HESS, F.L. AND LARSEN, E.S., 1921, CONTACT-METAMORPHIC TUNGSTEN DEPOSITS OF THE UNITED STATES: U.S.G.S. BULL. 725-D}{Deposit:: TINGLEY, J. V., 6 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS}{Deposit:: STAGER, H. K., IN PREPARATION, NBMG BULL. ON TUNGSTEN DEPOSITS OF NEVADA.}{Deposit:: NBMG MINING DISTRICT FILE 136, ITEM 25, 1963, USBM UNPUBLISHED DATA.}{Production:: HOTZ, P.E. & WILLDEN, R., 1964}
ReporterLa Pointe, D.D. (Tingley, J.V.), Unknown