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Oro Plata Mine

Producer in Yavapai county in Arizona, United States with commodities Gold, Silver, Lead, Copper
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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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10109841
MRDS ID M800185
Record type Site
Current site name Oro Plata Mine
Related records 10259186

Geographic coordinates

Geographic coordinates: -112.3863, 34.44588 (WGS84)
Elevation 2036
Relative position 3.3 MILES SE OF GROOM CREEK, ARIZONA

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Groom Creek(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Agua Fria(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Prescott National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 12N 001W 29 NE OF NW Arizona

Comments on the location information

  • ORO PLATA IS CLAIM ADJOINING COMBINATION ON THE NORTH.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary
Copper Secondary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Minor

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Government Canyon Granodiorite
    Rock description Government Canyon Granodiorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -112.3863, 34.44588
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Country Rocks Trends N10e To N45e
Type of structure Local
Structure description Veins Sometimes Parallel To Regional Foliation

Ore body information

  • General form TABULAR
    Strike N55E
    Dip 70N
    Thickness 2.44M
    Depth to bottom 121.92M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS VEIN IN PRECAMBRIAN GOVERNMENT CANYON GRANODIORITE. CRET-TERT RHYOLITE DIKES MAY APPEAR LOCALLY NEAR THE DEPOSIT

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1940
Year of last production 1949

Mining district

District name Walker District

Ownership information

  • Type Owner
    Owner Robert Edwards (1970'S); Alma Pritchett (1950'S)

Workings at the site

  • Type of workings Underground
    Length 76.2M
    Overall depth 121.92M
    Overall width 3.05M

Comments on the workings information

  • SHAFT ON PROPERTY IS 400 FT DEEP. THIS SHAFT MAY BE ON COMBINATION CLAIM, HOWEVER.

Comments on development

  • PRODUCTION DATA MAY BE PARTLY FROM COMBINATION OR ACCIDENTAL MINES.

Reference information

Bibliographic references

  • Deposit

    USGS GQ MAP 997

  • Deposit

    ABGMT FILE DATA (CLIPPINGS)

  • Deposit

    AZ DEPT. MIN. RESOURCES FILE DATA

  • Deposit

    USBM-ABGMT FILE DATA

General comments

Subject category Comment text
Deposit GROUP OF THREE CLAIMS = ACCIDENTAL, COMBINATION, ORO PLATA OWNED BY PRITCHETT. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1981 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology

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.