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  3. Mineral Resource Data System (MRDS)

Lemont Group

Occurrence in Mono county in California, United States with commodities Lead, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10031496
MRDS ID M010383
Record type Site
Current site name Lemont Group

Geographic coordinates

Geographic coordinates: -119.0929, 37.77382 (WGS84)
Elevation 2362
Relative position ON A RIDGE NORTH OF GULL LAKE

Site location context

Political divisions (FIPS codes)

Mono(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

June Lake(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mono Lake(hydrologic unit)

Mono-Owens Lakes(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Inyo National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Mono

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002S 026E 15 California

Commodities

Commodity Importance
Lead Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Epidote Gangue
Garnet Gangue
Hornblende Gangue
Olivine Gangue
Pyroxene Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -119.0929, 37.77382
ListMap

Economic information

Controls for ore emplacement

  • Fissures

Comments on the geologic information

  • 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.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Comments on the workings information

  • 2 OPENCUTS AND A TUNNEL.

Reference information

Bibliographic references

  • 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

  • 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

  • Deposit

    TUCKER, W.B., 1927 , LOS ANGELES FIELD DIV.; 23RD REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 396

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-NOV-1978 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.