Iron Mountain

Occurrence in San Bernardino county in California, United States with commodity Iron
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. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10036213
MRDS ID M024279
Record type Site
Current site name Iron Mountain
Related records 10237999

Geographic coordinates

Geographic coordinates: -116.2928, 35.40056 (WGS84)
Relative position ABOUT 12 MILES WEST OF SILVER LAKE SETTLEMENT. SOUTH END OF AVAWATZ RANGE

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Red Pass Lake NE(quadrangle 1:24,000 scale)

Soda Mountains(quadrangle 1:100,000 scale)

Trona(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Death Valley-Lower Amargosa(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

ARMY(Federal land areas administered by ARMY)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 015N 006E 11,12,13,14 California

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore
Limonite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -116.2928, 35.40056

Economic information

Ore body information

  • General form LENTICULAR
    Thickness 30.48M
    Length 304.8M

Comments on the geologic information

  • IN VICINITY OF THE DEPOSITS THE BRECCIA EXISTS AS A CAPPING UPON TERTIARY SANDSTONE AND SHOWS THICKNESSES NO GREATER THAN 200 FT. IN GENERAL THE BRECCIA DIPS GENTLY EASTWARD.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Large
Significant No

Mining district

District name Silverlake

Ownership information

  • Type Owner
    Owner Kaiser Steel Corp.

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Total resources 2721000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 54 wt-pct Iron Major 1944

Comments on the reserve resource information

  • U.S. BUREAU OF MINES EXPLORED WITH 12 DIAMOND DRILL HOLES, WHICH LED TO THE CONSERVATIVE FIGURE IN THE TABLES.

Comments on the workings information

  • SEVERAL SHALLOW SHAFTS AND SHORT TUNNELS

Reference information

Bibliographic references

  • Deposit

    LAMEY, C.A., 1948: IRON MOUNTAIN, IRON KING IRON-ORE DEPOSITS, SILVER-LAKE DISTRICT, SAN BERNARDINO, CA.; DIV. OF MINES BULL. 129, P. 39-58

  • Deposit

    WRIGHT, L.A. ET AL 1953; MINES AND MINERAL RESOURCES SAN BERNARDINO; CA. JOUR. MINES AND GEOLOGY, VOL. 49, NOS. 1 & 2, P. 96-97

  • Reserve-Resource

    WRIGHT, L.A., ET AL., P.97

General comments

Subject category Comment text
Deposit NUMEROUS LENSES
Deposit THE DEPOSITS REMAIN LARGELY UNWORKED BECAUSE OF THEIR REMOTENESS. ; INFO.SRC : 1 PUB LIT

Reporter information

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.