The Malachite Mine is a copper mine located in Lyon county, Nevada at an elevation of 5,299 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 5,299 Feet (1,615 Meters)
Commodity: Copper
Lat, Long: 38.945, -119.22056
Map: View on Google Maps
Malachite Mine MRDS details
Site Name
Primary: Malachite Mine
Secondary: Yerington - Malachite Copper Company
Commodity
Primary: Copper
Secondary: Gold
Secondary: Silver
Secondary: Gypsum-Anhydrite
Location
State: Nevada
County: Lyon
District: Yerington
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Sedimentary
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Basin And Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: R
Description: Yerington Batholith
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Analytical Data
Analytical Data: OIL FLOTATION TEST PERFORMED NOV. 2 , 1915 BY CALAVARES COPPER CO. YIELDED FOLLOWING RESULTS: HEADINGS, 4713 , 5.02 % CU
Analytical Data: TAILINGS, 355G, 2.74 % CU
Analytical Data: CONSTS. 2ND, 80G, 9.68 % CU
Analytical Data: CONCTS. 1ST 365, 17.68 % CU
Materials
Ore: Chalcocite
Ore: Malachite
Ore: Chalcopyrite
Ore: Cuprite
Ore: Bornite
Comments
Comment (Commodity): CRUDE AVE. GRADE OF ORE 6.2 PERCENT CU
Comment (Location): JOINS MASON VALLEY MINE ON THE SOUTH
Comment (Production): PRODUCTION ESTIMATED AT 15 TO 25 TONS ORE PER DAY IN 1912 ; PROD. CREDITED TO MASON VALLEY MINES CO.
Comment (Deposit): CONTACT METASOMATIC AUREOLE DEPOSIT PARALLEL IN CHARACTER TO THE MASON VALLEY DEPOSIT - PROBABLY EXTENSION OF. REFER TO RECORD NO. M035865
Comment (Workings): ADIT DRIVEN 550 FT ON THE MALACHITE CLAIM 3 COMP. SHAFT ON THE PLUMBUM, NUMEROUS SURFACE CUTS AND PITS WORKING CONNECT WITH 300 FT LEVEL MASON VALLEY MINE
Comment (Deposit): THE PROPERTY (TOTALING 192.6 ACRES) IS COMPRISED OF THE MALACHITE; M. EXT. M. NO.S 1 , 2 , 3 ; MONTGOMERY; JANUARY; PLUMBUM; KNOW U DONT; LIME RIDGE CLAIMS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER 114 .
Reference (Deposit): MOORE, J. G., 1969 , GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS, AND ORMSBY CO., NEV., NEV. BUREAU OF MINES, BULL. 75 .
Reference (Deposit): EINAND, M. T., 1977 , PETROGENISIS OF THE COPPER - BEARING SKARN AT THE MASON VALLEY MINE, YERINGTON DIST. NEV., ECON. GEOL. VOL. 72 , NO. 5 .
Reference (Deposit): 1907 RECON MINING AND SCIENTIFIC PRESS
Reference (Deposit): 1969 RECON NEV. BUREAU OF MINES, BULL. 75
Reference (Production): F (2)
Reference (Deposit): 1910 RECON RANSOME, F. L., MINING AND SCI. PRESS
Reference (Deposit): 1918 GEOLMAP KNOPF, A., PROF. PAPER NO. 114
Nevada Gold
Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.
