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  3. Mineral Resource Data System (MRDS)

Oro Grande

Past Producer in Shasta 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10077538
MRDS ID W025237
Record type Site
Current site name Oro Grande

Geographic coordinates

Geographic coordinates: -122.44692, 40.57652 (WGS84)
Elevation 317
Relative position ABOUT 4 MILES W. OF REDDING

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Redding(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 031N 005W 05 California

Commodities

Commodity Importance
Gold Primary

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -122.44692, 40.57652
ListMap

Economic information

Ore body information

  • Thickness 0.61M
    Depth to top 0.91M

Comments on the geologic information

  • GEOL.DESC: A NETWORK OF VEINS WITH STEEP DIPS, STRIKING IN VARIOUS DIRECTIONS, OCCURING IN META-ANDESITE. THICKNESSES RANGE FROM A GOUGE SEAM TO 1 TO 2 FT. OF QUARTZ VEINS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Area 40.47HA

Comments on the workings information

  • SIX CLAIMS; VEINS DO NOT OCCUR CLOSE ENOUGH TOGETHER SO THAT THE MASS CAN BE MINED. WORKING PRESENTLY UNDER WATER, BUT WERE SAID TO CONSIST OF A SHAFT 63 FT., DRIFTING 320 FT 2 CROSSCUTS, AND A RAISE TO THE SURFACE.

Reference information

Bibliographic references

  • Deposit

    AVERILL, C.V., 1933 , GOLD DEPOSITS OF REDDING AND WEAVERVILLE QUADS: CDM REPT. 33 , P. 42

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1978 Tatkin, T.; Albers, John P. U.S. Geological Survey

Beyond USGS

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

External references

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.