1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Sierra Group

Occurrence in Mono county in California, United States with commodity Gold
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10031511
MRDS ID M010427
Record type Site
Current site name Sierra Group

Geographic coordinates

Geographic coordinates: -119.00179, 37.61604 (WGS84)
Elevation 2743
Relative position ADJOINS THE MAMMOTH MINE ON THE W AND NW.

Site location context

Political divisions (FIPS codes)

Mono(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crystal Crag(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Crowley 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 004S 027E 09 California

Commodities

Commodity Importance
Gold Primary

Economic information

Comments on the geologic information

  • GEOL.DESC: QUARTZ-PORPHYRY LEAD 15-20' WIDE CARRIES PYRITE AND ARSENOPYRITE. A 4' QUARTZ VEIN SAID TO CARRY $4 IN GOLD.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Mammoth Lakes

Comments on the production information

  • IDLE EXCEPT FOR ASSESSMENT WORK.

Comments on the workings information

  • SHAFT, TUNNEL, OPENCUT, CROSSCUT.

Reference information

Bibliographic references

  • Deposit

    CALIF. V. 36, NO. 2, P. 132-3

General comments

Subject category Comment text
Deposit 6 CLAIMS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. 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.