The Lemont Group is a mine located in Mono county, California at an elevation of 7,749 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: 7,749 Feet (2,362 Meters)
Commodity:
Lat, Long: 37.77389, -119.09194
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Lemont Group MRDS details
Site Name
Primary: Lemont Group
Commodity
Tertiary: Zinc
Tertiary: Lead
Location
State: California
County: Mono
Land Status
Land ownership: National Forest
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Galena
Gangue: Pyroxene
Gangue: Hornblende
Gangue: Olivine
Gangue: Epidote
Gangue: Garnet
Comments
Comment (Workings): 2 OPENCUTS AND A TUNNEL.
Comment (Geology): GEOL.DESC: LEAD-ZINC SULPHIDE ORE OCCURS IN A BELT OF METAMORPHIC, CRYSTALLINE LIMESTONE ABOUT 1 MI. WIDE. DISSEMINATED MINERALIZATION OVER A WIDE BELT; ORE CONCENTRATED MAINLY ALONG A NW FISSURE WHERE IT REPLACES SILICATED LIMESTONE. REPPORTED ASSAY 20% LEAD, 17% ZINC, 5 OZ. SILVER.
References
Reference (Deposit): GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIF; CALIF JOUR. MINES AND GEOLOGY, VOL. 53 , NOS. 3 & 4 ; DIV. OF MINES, P. 561
Reference (Deposit): SAMPSON, R.J. AND TUCKER, W.B., 1940 , MINERAL RESOURCES OF MONO COUNTY; CA. JOUR. MINES AND GEOLOGY; VOL. 36 , NO. 2 ; DIV. OF MINES, PL. 1
Reference (Deposit): TUCKER, W.B., 1927 , LOS ANGELES FIELD DIV.; 23RD REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 396
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.