Pontatoc Mine

Past Producer in Pima county in Arizona, United States with commodities Copper, Silver, Gold, Molybdenum
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. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10039689
MRDS ID M050656
Record type Site
Current site name Pontatoc Mine
Alternate or previous names Pontotoc
Related records 10234814

Geographic coordinates

Geographic coordinates: -110.89791, 32.33205 (WGS84)
Elevation 890
Relative position IN NORTH TUCSON

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tucson North(quadrangle 1:24,000 scale)

Tucson(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rillito(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 013S 014E 03 NE4 Arizona

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Molybdenum Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Gold Ore
Malachite Ore
Molybdenite Ore
Pyrite Ore
Silver Ore
Ankerite Gangue
Epidote Gangue
Hematite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Silicification, Propylitization, Sporadic Dolomitization, Epidote

Analytical data

Result MAX 10.3% CU, AVG 5% CU, DUMP ASSAYED 2% CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Catalina Gneiss;Pantano Conglomerate
    Rock description Catalina Gneiss;Pantano Conglomerate
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -110.89791, 32.33205

Economic information

Geologic structures

Type of structure Local
Structure description Major E Trending Fault Zone And Subsidiary Faults-Santa Catalina F Ault

Ore body information

  • Strike N60E
    Dip 27SE

Controls for ore emplacement

  • Fault Zones Wherever Rock Alteration Is Intense

Comments on the geologic information

  • SULFIDES PRECIPITATED WITH QUARTZ

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1906

Mining district

District name Catalina District

Ownership information

  • Type Owner
    Owner George Wilson
    First year 1964

Production statistics

  • Year 1918
    Period 1907-1918
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^4% Cu, 0.5 Oz/T Ag, Trace Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 14g/mt
    Major Ore Copper Copper 4wt-pct

Workings at the site

  • Type of workings Underground
    Length 75.9M
    Overall depth 38.1M

Comments on the workings information

  • 20 FT WINZE, 105 FT SHAFT SUNK BETWEEN 1907-1910; 125 FT NEW SHAF T SUNK AROUND 1918

Reference information

Bibliographic references

  • Deposit

    MEDHI, 1964, M.S. THESIS, UNIV OF AZ

  • Deposit

    BANKS, N.G., 1974, FIELD EXAM

  • Deposit

    KEITH, 1974, ABM BULL 189

  • Production

    KEITH, 1974

General comments

Subject category Comment text
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050656 WITH RE CORD M030520 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEOD ORE USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

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.

External references

Authoritative Arizona resources

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