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Bagdad - Chase

Past Producer in San Bernardino county in California, United States with commodities Gold, Copper, Silver, Lead
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10034008
MRDS ID M020680
Record type Site
Current site name Bagdad - Chase
Alternate or previous names Pacific, Barstow Mill, Butte Hill Group.
Related records 10189217

Geographic coordinates

Geographic coordinates: -116.16946, 34.62696 (WGS84)
Relative position 7 MILES SOUTH OF LUDLOW

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ludlow(quadrangle 1:24,000 scale)

Newberry Springs(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Mojave(hydrologic unit)

Southern Mojave(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 006N 008E 08 California

Commodities

Commodity Importance
Gold Primary
Copper Primary
Silver Secondary
Lead Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Economic information

Geologic structures

Type of structure Local
Structure description Faults; North - Striking, 240 Ft. Of Displacement.

Ore body information

  • Strike E
    Dip 25 - 30 N
    Thickness 6.1M

Controls for ore emplacement

  • Breccia Zone In Contact Between Monzonite And Rhyolite.

Comments on the geologic information

  • GEOL.DESC: BRECCIATED MATERIAL IS A RESULT OF FAULTING CONSISTING OF BOTH RHYOLITE AND MONZONITE FRAGMENTS CEMENTED WITH HIGHLY SILICEOUS MATERIAL.

Economic information about the deposit and operations

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

Mining district

District name Stedman

Production statistics

  • Year 1916
    Period 1910 - 1916
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^1.82 % Cu, .35 Oz Au/Ton 1.5 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 42g/mt
    Ore Gold Gold 10g/mt
    Ore Copper Copper 2wt-pct

Comments on the production information

  • 400 FT. LEVEL OF THE 450 FT. INCLINED SHAFT PRODUCED 8,000 - 9,000 TONS OF ORE. MINOR LEAD ALSO RECOVERABLE.

Workings at the site

  • Type of workings Underground
    Overall depth 137.16M

Comments on the workings information

  • 3 SHAFTS, VERTICAL SHAFT 400 FT. DEEP, ANOTHER ONE 125 FT. DEEP, AND AN INCLINED SHAFT 450 FT. IN DEPTH. STOPING ON 125 FT. SHAFT TO SURFACE GLORY HOLE

Reference information

Bibliographic references

  • Deposit

    GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 3 & 4 ; DIV. OF MINES, P. 613

  • Deposit

    WRIGHT, L. A. ETAL, 1953 , MINES AND MINERAL DEPOSITS, SAN BERNARDINO COUNTY, CALIF; CALIF. JOUR. MINES AND GEOLOGY, VOL. 49 , NOS. 1 & 2 ; DIV. OF MINES, P. 71 - 72 .

  • Production

    WRIGHT, L. A., ETAL, 1953 , P. 71 - 72

General comments

Subject category Comment text
Deposit ORE IS IN IGNEOUS BRECCIA ON CONTACT BETWEEN MONZONITE AND RHYOLITE. THICKNESS VARIES 8 - 20 FT. ORE IS VERY SILICEOUS, HEAVILY STAINED WITH IRON AND COPPER OXIDES, ALSO SILICATES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1978 Fraticelli, L. A. (Albers, J.) 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.