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Pacific and Mandan Claims

Past Producer in La Paz county in Arizona, United States with commodities Silver, Lead, Iron, Manganese, Fluorine-Fluorite
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10027200
MRDS ID M002451
Record type Site
Current site name Pacific and Mandan Claims
Related records 10283258

Geographic coordinates

Geographic coordinates: -114.5969, 33.09201 (WGS84)
Elevation 229
Relative position JUST NORTH OF THE BLACK ROCK MINE

Site location context

Political divisions (FIPS codes)

La Paz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Picacho(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)

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 004S 023W 02 Arizona

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Iron Tertiary
Manganese Critical Tertiary
Fluorine-Fluorite Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Hematite Ore
Pyrolusite Ore
Calcite Gangue
Fluorite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

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) -114.5969, 33.09201
ListMap

Economic information

Ore body information

  • General form VUGS & IRREGULAR MASSES
    Strike SE
    Dip 85E

Controls for ore emplacement

  • The Principal Mineralization Occurs Within A Silicified Fault Zone

Economic information about the deposit and operations

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

Mining district

District name Silver District

Land status

Ownership category BLM Administrative Area

Comments on the production information

  • HAS PRODUCED SOME SILVER ORE DURING THE LATE 1880'S

Workings at the site

  • Type of workings Underground
    Overall depth 30.48M

Comments on the workings information

  • A SHAFT WAS SUNK ON THE PACIFIC CLAIM. ON THE MANDAN CLAIM SEVERL SMALL CUTS HAVE BEEN SUNK ON THE VEIN.

Reference information

Bibliographic references

  • Deposit

    WILSON, E.D.; 1933; GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZ. B.M. BULLETIN 134, P. 68

  • Deposit

    WILSON, E.D.; 1951; ARIZONA ZINC AND LEAD DEPOSITS; ARIZ. B.M. BULLETIN 158, P. 94

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-OCT-1979 Hall, R. K. (Creasey, S. C.) 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.