Oro Grande Mine

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

Geologic information

Identification information

Deposit ID 10048161
MRDS ID M800211
Record type Site
Current site name Oro Grande Mine
Related records 10283429

Geographic coordinates

Geographic coordinates: -112.72381, 34.02756 (WGS84)
Elevation 768
Relative position 4.5 MILES N NE OF WICKENBURG, ARIZONA

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sam Powell Peak(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hassayampa(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 008N 005W 24 NW OF NE Arizona

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Calcite Gangue
Hematite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Trachyte
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite

Nearby scientific data

(1) -112.72381, 34.02756

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Schist Trends N35e
Type of structure Local
Structure description Veins And Genetically-Related (?) Dikes Trend N-S Or Subparallel (N30e) To Schist

Ore body information

  • General form TABULAR
    Strike N37E
    Dip 90 OR NEAR-VERTICAL
    Thickness 45.72M
    Length 914.4M
    Width 103.63M
    Depth to bottom 103.63M

Comments on the geologic information

  • DEPOSIT IS UNLIKE OTHER VEINS IN BLACK ROCK DISTRICT DUE TO ITS GREAT WIDTH, HIGH-ANGLE ORIENTATION, AND SHEAR ZONE-LIKE GEOMETRY

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900
Discoverer Possibly George Upton
Year of first production 1904
Year of last production 1932

Mining district

District name Black Rock District

Ownership information

  • Type Operator
    Owner Oro Grande Cons
  • Type Owner
    Owner George Upton, Wickenburg (1950'S)

Workings at the site

  • Type of workings Underground
    Area 0.71HA
    Length 822.96M
    Overall depth 103.63M
    Overall length 274.32M
    Overall width 27.43M

Comments on the workings information

  • ORO GRANDE SHAFT ON COPPERHEAD CLAIM, WHICH CONTAINS MAIN WORKINGS. FRENCHMAN CLAIM AND OREBODY IS 1100 FT NORTH OF THE COPPERHEAD. 3 SHAFTS ON PROPERTY

Comments on development

  • PROPERTY CONSISTS OF 9 PATENTED CLAIMS: COPPER HEAD, MAY, DUTCHMAN, FRENCHMAN, NEGRO BEN, COLOSSAL, ALMA, MONTANA, AND ORO GRANDE

Reference information

Bibliographic references

  • Deposit

    AZ MINING JOUR, 1918, VOL. 6, #7, P. 7.

  • Deposit

    ABM BULL 137 P. 62

  • Deposit

    AZ. DEPT MIN. RESOURCES FILE DATA

  • Deposit

    ABGMT CLIPPINGS FILES

General comments

Subject category Comment text
Deposit DEPOSIT IS SHEAR ZONE SEPARATING GRANODIORITE OR MASSIVE AMPHIBOLITE ON THE WEST FROM A MIXTURE OF SCHIST AND AMPHIBOLITE ON THE EAST.
Deposit ORO GRANDE VEIN TRENDS NE, PARALLEL TO PRECAMBRIAN FOLIATION. MOST VEINS IN BLACK ROCK DISTRICT TREND NW, PERPENDICULAR TO PRECAMBRIAN FABRIC. THE ORO GRANDE AND GRIJALUA MAY BE OLDER VEINS THAN THE REMAINDER OF THE BLACK ROCK DISTRICT ; 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.

External references

Authoritative Arizona resources

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