Mildren Mine

Past Producer in Pima county in Arizona, United States with commodities Lead, Silver, Gold, Copper, Zinc, Vanadium, 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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10039661
MRDS ID M050610
Record type Site
Current site name Mildren Mine
Alternate or previous names Mildred, East Wayne, West Wayne
Related records 10161662

Geographic coordinates

Geographic coordinates: -111.93071, 32.03733 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ko Vaya(quadrangle 1:24,000 scale)

Silver Bell Mountains(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Simon Wash(hydrologic unit)

Rio Sonoyta(hydrologic accounting unit)

Sonora(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 016S 004E 15,16 CENTER OF E (16) Arizona

Comments on the location information

  • IN PAPAGO INDIAN RESERVATION

Commodities

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

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Galena Ore
Molybdenite Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Vanadinite Ore
Barite Gangue
Calcite Gangue
Dolomite Gangue
Limonite Gangue
Psilomelane Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation; Leaching Of Wall Rock

Host and associated rocks

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

Nearby scientific data

(1) -111.93071, 32.03733

Economic information

Ore body information

  • General form PODS AND LENSES
    Strike N25W
    Dip 75NE

Controls for ore emplacement

  • Brecciated Quartz Fissure Veins

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1932
Year of last production 1941

Production statistics

  • Year 1941
    Period 1932-1941
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^7% Pb, 12 Oz/T Ag, 0.2 Oz/T Au, 1.6% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 2wt-pct
    Minor Ore Gold Gold 3g/mt
    Major Ore Silver Silver 339g/mt
    Minor Ore Lead Lead 7wt-pct

Comments on the production information

  • PRODUCED 1932-1934, 1940-1941

Comments on the workings information

  • SHAFTS AND PITS

Comments on development

  • OPERATORS INCLUDED WAYNE MINE CO, DUNN, MILDREN MINING CO.

Reference information

Bibliographic references

  • Deposit

    WILLIAMS, 1962, PHD THESIS UNIV OF AZ, 145 P.

  • Deposit

    WILLIAMS, 1963, ECON GEOL V 58 P. 1119-1125

  • Deposit

    MAC KALLOR, 1958, M.S. THESIS UNIV OF AZ, 108 P.

  • Deposit

    KEITH, 1974, ABM BULL 189

  • Deposit

    ABM FILE DATA

  • Production

    KEITH, 1974

General comments

Subject category Comment text
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050610 WITH RE CORD M030555 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.

External references

Authoritative Arizona resources

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