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Oro Grande

Past Producer in Siskiyou 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. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10103309
MRDS ID M023368
Record type Site
Current site name Oro Grande
Related records 10165706

Geographic coordinates

Geographic coordinates: -122.74723, 41.76567 (WGS84)
Elevation 975
Relative position 1.3 MI SW MONO SCHOOL JUST N. OF MIDDLE FORK OF HUMBUG CREEK

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Badger Mountain(quadrangle 1:24,000 scale)

Yreka(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Klamath(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath 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 Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 008W 10,11 California

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 Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -122.74723, 41.76567
ListMap

Economic information

Ore body information

  • Strike NE
    Dip 35SE

Economic information about the deposit and operations

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

Mining district

District name Humbug

Land status

Ownership category National Forest

Comments on the production information

  • SOME ORE PANNED $4/TON. NO OTHER PRODUCTION RECORD FOUND

Comments on the workings information

  • 160 FT. SHAFT, 300 FT. ADIT. STOPE 80 BY 4 BY 40 FT.

Reference information

Bibliographic references

  • Deposit

    BROWN, G. C., 1914, THE COUNTIES OF SHASTA, SISKIYOU AND TRINITY, CALIF.: CALIF. JOUR. MINES & GEOLOGY, V. 14, PT. 4, P. 838.

  • Deposit

    LOGAN, C. A., 1925, SACRAMENTO FIELD DIVISION: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 21, NO. 4, P. 454

  • Deposit

    SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V2, P. 145

  • Deposit

    CRAWFORD, J. J., 1896, THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13, P. 419

  • Production

    BROWN (1914)

General comments

Subject category Comment text
Deposit 100 ACRES. LOCATED IN 1860. RELOCATED IN 1892. ; INFO.SRC : 1 PUB LIT
Deposit 4 PARALLEL VEINS. DOLOMITE FOOTWALL, PORPHYRY HANGING WALL. 300 ORE SHOOT, 2 FT. THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1980 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.

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.