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Oro Grande

Past Producer in San Bernardino 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. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10035642
MRDS ID M023493
Record type Site
Current site name Oro Grande
Alternate or previous names Oro Grande 1
Related records 10164578

Geographic coordinates

Geographic coordinates: -117.26394, 34.6539 (WGS84)
Elevation 1173
Relative position 0.3 MI. NE SUMMIT OF SILVER MTN.

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Helendale(quadrangle 1:24,000 scale)

Victorville(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mojave(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 007N 004W 35 California

Comments on the location information

  • UTM ACC SE 1/4 NE 1/4

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock

Nearby scientific data

(1) -117.26394, 34.6539
ListMap

Economic information

Ore body information

  • Strike N15W
    Dip 70SW
    Thickness 1.83M

Economic information about the deposit and operations

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

Land status

Ownership category Private

Comments on the production information

  • MATERIAL FROM OPEN CUT WAS MILLED & RETURNED VALUE OF $4.50/TON IN GOLD ON THE PLATES. NO OTHER PRODUCTION RECORD FOUND.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 457.2M

Comments on the workings information

  • 2 SHAFTS, 1500 FT. AND 150 FT. DEEP. OPEN CUT 200 FT. LONG, 20 FT. DEEP.

Reference information

Bibliographic references

  • Deposit

    SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, SOUTHERN CALIFORNIA, V. 3, P. 49

  • Deposit

    WRIGHT, L.A., AND OTHERS, 1953, MINES AND MINERAL DEPOSITS OF SAN BERNARDINO COUNTY, CALIF, TABULATED LIST: CALIF. JOUR. MINES & GEOLOGY, V. 49, NOS. 1 & 2, P. 52

  • Deposit

    TUCKER, W.B. AND SAMPSON, R.J., 1931, GOLD-SAN BERNARDINO COUNTY, CALIF: CALIF. JOUR. MINES AND GEOLOGY, V. 27, P. 308

  • Deposit

    BOWEN, O.E., 1954, GEOLOGY & MINERAL DEPOSITS OF THE BARSTOW QUADRANGLE, SAN BERNARDINO CO., CALIF.: CALIF. DIV. MINES & GEOLOGY BULL. 165, P. 130-131.

  • Production

    TUCKER & SAMPSON (1931) BOWEN (1954)

General comments

Subject category Comment text
Deposit 2 PARALLEL 1-6 FT. THICK BANDED QUARTZ VEINS. THEY ARE INTERSECTED BY A SERIES OF NE-TRENDING FRACTURES.
Deposit FIRST WORKED PRIOR TO 1890 BY ORO GRANDE MINING CO. LAST WORKED 1939-1941. 7 CLAIMS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Nelson, Scott C. (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.