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  3. Mineral Resource Data System (MRDS)

Iron Age Mine

Past Producer in San Bernardino county in California, United States with commodity Iron
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10103518
MRDS ID M024239
Record type Site
Current site name Iron Age Mine
Related records 10212974

Geographic coordinates

Geographic coordinates: -115.64944, 34.06337 (WGS84)
Relative position 22 AIRLINE MILES EASTWARD FROM TWENTYNINE PALMS

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

New Dale(quadrangle 1:24,000 scale)

Sheep Hole Mountains(quadrangle 1:100,000 scale)

Needles(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)

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 001S 013E 20,29 California

Comments on the location information

  • UTM ACCT.

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore

Analytical data

Result ASSAYS FROM 20 SAMPLES AVG. 67.27 % FE OTHER ASSAY REPORTS SHOW 51.62 TO 65.18 % FE.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -115.64944, 34.06337
ListMap

Economic information

Ore body information

  • Strike NORTH
    Dip 60W
    Length 365.76M
    Width 4.57M

Controls for ore emplacement

  • Fissures And Brecciated Zones

Economic information about the deposit and operations

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

Ownership information

  • Type Operator
    Owner Ferro Co., George Mcdonald, H. Evan Roberts And H.B. Alexander
  • Type Owner
    Owner D. Rhea Igo (Estate), Maude Igo Marcus Pluth (Estate) And Carrie And R. H. Sayers

Comments on the workings information

  • OPEN-CUTS

Reference information

Bibliographic references

  • Deposit

    WRIGHT, L.A., ET AL, 1953: MINES AND MINERAL RESOURCES SAN BERNARDINO; CA. JOUR. MINES AND GEOLOGY, VOL. 49, NOS. 1 & 2, P. 95

  • Production

    WRIGHT, L.A. ETAL, P. 95

  • Reserve-Resource

    WRIGHT, L.A. ET AL, P. 95

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.

Current status (per MSHA)

StatusIntermittent since 08/06/2025
MSHA mine ID0405988
Mine name (MSHA)Iron Age Mine
Current operatorIron Age Mine LLC
Current controller (parent)US Iron Holdings LLC
Mine typeSurface (Metal / non-metal)

Inferred by coordinate + name similarity (409 m, 1.00 match). Confirm against MSHA if precision matters — non-USGS-curated cross-references may occasionally point at a neighbouring mine.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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.