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Minnie Mine

Producer in Pima 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. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10039586
MRDS ID M050376
Record type Site
Current site name Minnie Mine
Alternate or previous names Venus Group, Arizona Buttes Group
Related records 10259415

Geographic coordinates

Geographic coordinates: -111.07013, 31.89956 (WGS84)
Elevation 1082
Relative position 3/4 MILE 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

Twin Buttes(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 017S 012E 36 Arizona

Comments on the location information

  • S CENTRAL SECTION 36 .

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Copper Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -111.07013, 31.89956
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Some Post-Metallization Faulting.

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Ene Striking Fault Along A Fault Contact With Prec. Granite.

Comments on the geologic information

  • SHALY LIMESTONE MORE EASILY REPLACED THAN "PURE" LIMESTONE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1900
Year of last production 1929

Mining district

District name Pima District

Production statistics

  • Year 1929
    Period 1900 - 1929
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^6.5 % Cu, 1.5 Oz Ag/Ton, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 42g/mt
    Major Ore Copper Copper 7wt-pct

Comments on the production information

  • WORKED SPORADICALLY FROM EARLY 1900'S TO 1929 . TOTAL PRODUCTION HAS BEEN $1,282,000 .

Workings at the site

  • Type of workings Underground
    Overall depth 76.2M

Comments on development

  • OPERATORS INCLUDED BUTTES COPPER CO., E.G. BUSH, J.C. BAX

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 136 .

  • Deposit

    HOUSER, F. N., 1949 , THE GEOLOGY OF THE CONTENTION MINE AREA, TWIN BUTTES, ARIZONA: UNIV. ARIZ. MS THESIS.

  • Deposit

    BROWN, R. L., 1926 , GEOLOGY AND ORE DEPOSITS OF THE TWIN BUTTES DISTRICT: UNIV. ARIZ. MS THESIS.

  • Production

    ( 8 ) ABM BULLETIN 189 , P. 136 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1972 Theodore, Ted G. U.S. Geological Survey
Updater 01-NOV-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey

Beyond USGS

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

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.