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Moro Mine Group

Past Producer in La Paz county in Arizona, United States with commodities Copper, Gold, Silver, Iron, Lead
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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. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10102535
MRDS ID M003774
Record type Site
Current site name Moro Mine Group
Alternate or previous names Big Horn
Related records 10137887

Geographic coordinates

Geographic coordinates: -113.81745, 34.15061 (WGS84)
Elevation 503
Relative position ABOUT 3 MILES SOUTH OF THE B. WILLIAMS RIVER

Site location context

Political divisions (FIPS codes)

La Paz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Swansea(quadrangle 1:24,000 scale)

Alamo Lake(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bill Williams(hydrologic unit)

Bill Williams(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 009N 015W 03 Arizona

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary
Iron Tertiary
Lead Tertiary

Materials information

Materials Type of material
Specularite Ore
Calcite Gangue
Gypsum Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -113.81745, 34.15061
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • The Ore Occurs Above The Gneiss In And Above The Conglomerate Which Marks The Base Of The Tuff And The Sandstone Sediments

Comments on the geologic information

  • MINERALIZATION ALONG LOW-ANGLE NORMAL FAULT BETWEEN MESOZOIC-CENOZOIC METAMORPHICS AND OVERLYING PALEOZOICS AND MIDTERT VOLCANICS AND SEDIMENTS

Economic information about the deposit and operations

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

Mining district

District name Clara District

Land status

Ownership category BLM Administrative Area

Production statistics

  • Year 1955
    Period 1900-1955
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^3% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 3wt-pct

Workings at the site

  • Type of workings Underground
    Area 0.004HA
    Length 60.96M
    Overall depth 15.24M

Comments on the workings information

  • DEPOSIT DEVELOPED BY 2 ADITS AND AN INCLINED SHAFT

Reference information

Bibliographic references

  • Deposit

    BANCROFT, HOWLAND; 1911; ORE DEPOSITS IN NORTHERN YUMA COUNTY, ARIZONA: U.S.G.S. BULLETIN 451, P. 65

  • Deposit

    KEITH, S.B., 1978, INDEX OF MINING PROPERTIES IN YUMA COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 192, P. 173

  • Production

    (8) KEITH, S.B., 1978

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.