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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Grand Central Mine

Past Producer in La Paz county in Arizona, United States with commodities Gold, Copper, 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. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10102453
MRDS ID M002427
Record type Site
Current site name Grand Central Mine
Alternate or previous names Hardt Mine, Hardt Tailings Dump

Geographic coordinates

Geographic coordinates: -114.58412, 33.29423 (WGS84)
Elevation 305
Relative position ABOUT 7 MI. BY ROAD EAST OF CIBOLA

Site location context

Political divisions (FIPS codes)

La Paz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cibola SE(quadrangle 1:24,000 scale)

Trigo Mountains(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Imperial Reservoir(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona La Paz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 001S 023W 36 CENTER Arizona

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Iron Tertiary

Materials information

Materials Type of material
Gold Ore
Hematite Ore
Limonite Ore
Pyrite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -114.58412, 33.29423
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Length 91.44M
    Width 0.2M

Controls for ore emplacement

  • The Vein Occurs Within A Fault Zone That Cuts The Schists That Strikes 55 Deg W And Dips 65 Deg E

Economic information about the deposit and operations

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

Mining district

District name Trigo Mountains District

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Unknown
    Overall depth 42.67M

Comments on the workings information

  • WORKINGS INCLUDE AN INCLINED SHAFT, AND SEVERAL SHALLOW CUTS

Reference information

Bibliographic references

  • Deposit

    WILSON, E.D.; 1933; GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZ. B.M. BULLETIN 134, P. 72

  • Production

    A.B.M. BULLETIN 134, P. 72

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-NOV-1979 Hall, R. K. (Creasey, S. C.) U.S. Geological Survey
Updater 01-JUL-1990 Bolm, Karen S. 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 Arizona resources

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