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  3. Mineral Resource Data System (MRDS)

Del Oso

Producer in Mariposa 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10109476
MRDS ID M021568
Record type Site
Current site name Del Oso

Geographic coordinates

Geographic coordinates: -120.1696, 37.43826 (WGS84)
Elevation 183
Relative position 3 1/2 MI W OF CATHEYS VALLEY

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Indian Gulch(quadrangle 1:24,000 scale)

Merced(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S 016E 01 California

Comments on the location information

  • UTM

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.1696, 37.43826
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: 5 FT THICK VEINS. SLATE HANGING WALL, SCHIST FOOTWALL

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the production information

  • NO PRODUCTION RECORD FOUND. LONG INACTIVE.

Workings at the site

  • Type of workings Underground
    Overall depth 60.96M

Comments on the workings information

  • 200 FT SHAFT, 40 FT WINZE, 100 FT ADIT, 200 FT DRIFTS

Reference information

Bibliographic references

  • Deposit

    AUBURY, L.E., 1903 , REGISTER OF MINES & MINERALS FOR MARIPOSA CO., CALIF: CDMG, P. 18

General comments

Subject category Comment text
Deposit VEINS
Deposit PATENTED CLAIM.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 Hayden, F. (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.