Cowboy Mine

Past Producer in Pima county in Arizona, United States with commodities Copper, Silver, Molybdenum, Lead, Zinc
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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10026758
MRDS ID M000097
Record type Site
Current site name Cowboy Mine
Related records 10210438

Geographic coordinates

Geographic coordinates: -111.15652, 31.87234 (WGS84)
Elevation 1273
Relative position 6 MI SW OF TWIN BUTTES

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Batamote Hills(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper 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 Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 018S 012E 07,08,17,18 S OF CENTER (07); SE4 (08); NW4 (17); NE4 (18) Arizona

Comments on the location information

  • NEAR OR IN ESPERANZA OPEN PIT

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Molybdenum Tertiary
Lead Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Copper Ore
Pyrite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -111.15652, 31.87234

Economic information

Geologic structures

Type of structure Local
Structure description Near N60e, 75 Se Fault That Offsets Granodiorite-Diorite Contact

Controls for ore emplacement

  • Fault Zone In The Granitics

Comments on the geologic information

  • DIORITE IS ALTERED

Economic information about the deposit and operations

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

Mining district

District name Pima District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Cowboy Mining And Smelting Co

Production statistics

  • Year 1947
    Accuracy Estimate
    Description Ap_Grade: ^2% Cu, 0.3 Oz/T Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 8g/mt
    Ore Copper Copper 2wt-pct

Comments on the production information

  • DEVELOPED IN 1917-1919, MINED IN 1947

Comments on the workings information

  • SHAFT WORKINGS

Reference information

Bibliographic references

  • Deposit

    COOPER, 1960, USGS BULL 1112-C

  • Deposit

    KEITH, 1974, ABM BULL 189

  • Deposit

    ABM FILE DATA

  • Production

    KEITH, 1974

General comments

Subject category Comment text
Deposit ORE IS WEAK AND SPOTTY
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M000097 WITH RE CORD M030540 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEOD ORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1983 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Arizona resources

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