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Copper Standard Mine

Producer in Pinal county in Arizona, United States with commodities Copper, Silver, Gold
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  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 10109773
MRDS ID M241167
Record type Site
Current site name Copper Standard Mine
Alternate or previous names Standard Copper, Standard Group, Esperanza Cowboy Mine, Black Crator ?
Related records 10258979

Geographic coordinates

Geographic coordinates: -111.79571, 32.70816 (WGS84)
Elevation 518
Relative position ABOUT 1.5 MILES SOUTH SOUTHWEST OF WHITE HORSE PASS

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Silver Reef Mountains(quadrangle 1:24,000 scale)

Casa Grande(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 008S 005E 25 W2 Arizona

Comments on the location information

  • CLAIMS LOCATED ALONG SOUTHEAST SLOPE OF SILVER REEF MOUNTAINS FOR THE UPPER TWO THIRDS OF SECTION 25 AND EXTEND SLIGHTLY INTO SECTION 24

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Tertiary

Materials information

Materials Type of material
Chrysocolla Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -111.79571, 32.70816
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description In Tertiary Volcanic Field, With Blocks Faulted Against Prec Oracle Granite, Ew And Nw-Se Normal Faults In 2 Mile Radius Both North And West Of Mine
Type of structure Local
Structure description Nne Strike And Almost Vertical E Dip, Shown On Mf-934, For Andesite Bedding

Ore body information

  • Thickness 9.14M
    Length 1219.2M

Controls for ore emplacement

  • Fractures In Andesite

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1895
Discoverer Loss Brothers (?)
Year of last production 1965

Mining district

District name Silver Reef District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Powdered Metals Corp.
    First year 1968
  • Type Owner
    Owner J. A. Barnhard
    First year 1960

Workings at the site

  • Type of workings Underground
    Length 304.8M
    Overall depth 76.2M

Comments on the workings information

  • WORKING LIMITED TO ESPERANZA AND COWBOY CLAIMS; ON ESPERANZA CLAIM THERE IS A PERPENDICULAR SHAFT OF 165 FT AND A 250 FT SHAFT WITH VERTICAL AND INCLINED SECTIONS; THE LONGER SHAFT HAS DRIFTS AT 100 FT LEVEL, 200 FT LEVEL AND 250 FT LEVEL; ON THE COWBOY CLAIM THERE ARE TWO OPENINGS: A SHORT TUNNEL LEADING TO A SHALLOW SHAFT.

Comments on development

  • CLAIMS INCLUDE CHICAGO, ST LOUIS, SUMMIT, COWBOY, CROWN, ESPERANZA AND MILLSITE ALL PATENTED CLAIMS (1968)

Reference information

Bibliographic references

  • Deposit

    ABGMT CLIPPINGS FILES

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    ADMR FILE DATA

  • Deposit

    BLM DISTRICT SHEET 561

  • Deposit

    USGS MAP MF-934, 1978

General comments

Subject category Comment text
Deposit Discovery Year: 1890'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Roth, Frances A. (Gest, Don E.) 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

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.