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Isabella Mine

Past Producer in Pima county in Arizona, United States with commodities Gold, Silver, Copper, Lead, Zinc
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10027154
MRDS ID M002297
Record type Site
Current site name Isabella Mine
Related records 10186728

Geographic coordinates

Geographic coordinates: -112.17794, 32.45621 (WGS84)
Elevation 719
Relative position 12 MILES NW OF GU ACHI

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ventana(quadrangle 1:24,000 scale)

Ajo(quadrangle 1:100,000 scale)

Ajo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Rosa Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 011S 002E 21 Arizona

Comments on the location information

  • NW 1/4 SECTION 21. PAPAGO INDIAN RESERVATION

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock

Nearby scientific data

(1) -112.17794, 32.45621
ListMap

Economic information

Ore body information

  • General form IRREGULAR, LENSING

Controls for ore emplacement

  • Along Fault Zone.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1910
Year of last production 1910

Production statistics

  • Year 1919
    Period 1910 - 1919
    Accuracy Estimate
    Description Cp_Grade: ^0.5 Oz. Au/Ton, 0.1 Oz. Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 3g/mt
    Ore Gold Gold 14g/mt

Comments on the workings information

  • SHAFT AND PIT WORKINGS.

Comments on development

  • OPERATORS INCLUDED ISABELLE MINES

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 115

  • Production

    ABM BULLETIN 189 , P. 115 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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.

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.