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Bertram

Past Producer in Imperial county in California, United States with commodities Bromine, Sodium
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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. Mining district
  12. Ownership information
  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 10105278
MRDS ID TC36250
Record type Site
Current site name Bertram

Geographic coordinates

Geographic coordinates: -115.7611, 33.38144 (WGS84)
Relative position 18 MILES N55W OF NILAND.

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Durmid(quadrangle 1:24,000 scale)

Salton Sea(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salton Sea(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Imperial

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 9S 12E 19 N2 California

Comments on the location information

  • 1.4 MILES N 80 E OF BERTRAM SIDING.

Commodities

Commodity Importance
Bromine Primary
Sodium Primary

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
    Rock unit name Borrego Formation
    Rock description Borrego Formation
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Evaporite

Nearby scientific data

(1) -115.7611, 33.38144
ListMap

Economic information

Ore body information

  • General form BLANKET
    Strike N60W
    Dip 40-60SW
    Thickness 1.83M
    Length 914.4M
    Width 15.24M

Comments on the geologic information

  • HOST FORMATION CONSIST OF TILTED, CONTORTED INTERBEDDED SEDIMENTS AND EVAPORITES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1903
Discoverer Havens

Mining district

District name Salton Sea

Ownership information

  • Type Owner
    Owner Southern Pacific Railroad

Comments on the production information

  • 2500 TONS SALT CAKE EXTRACTED BY E.H. OTTO AND CO. OF SAN FRANCISCO.

Comments on the reserve resource information

  • LARGE RESERVES ESTIMATED, HOWEVER, DEPOSIT HAS HIGH MAGNESIUM LEVELS AND IS STEEPLY DIPPING.

Workings at the site

  • Type of workings Surface
    Length 182.88M
    Overall depth 4.57M
    Overall width 6.1M
  • Type of workings Surface
    Length 213.36M
    Overall depth 6.1M
    Overall width 6.1M

Comments on the workings information

  • TWO MAIN PITS, 2000 FT APART.

Comments on development

  • MILL.CAP: 1942, 50 TONS/DAY ; ECON.COM: SALT CAKE SHOWED 4% MGS04, ANALYSIS SHOWED 10-20% MGSO4 THAT AFFECTED WOOD PULP PRODUCTION.

Reference information

Bibliographic references

  • Deposit

    MORTON, PAUL K., 1977, GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA, CALIFORNIA DIVISION OF MINES AND GEOLOGY, COUNTY REPORT NO. 7.

  • Deposit

    SAMPSON, R.J. AND TUCKER, W.B., 1942, MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA DIVISION OF MINES BULLETIN, VOL. 38, H2, P. 141.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit BLODITE BED LIES 20-60 FT DEPTH ALONG STRIKE LENGTH OF 1000 FT, INCLUDES 640 ACRES OF PATENTED LAND. THENARDITE BEDS VARY FROM 8 IN TO 3 FT, BLODITE VARY FROM 12 IN TO 6 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1992 Gray, Floyd U.S. Geological Survey
Updater 01-JUL-1993 Orris, Greta 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.