Gunsight Mine

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

Geologic information

Identification information

Deposit ID 10109009
MRDS ID M002260
Record type Site
Current site name Gunsight Mine
Related records 10283558

Geographic coordinates

Geographic coordinates: -112.6899, 32.204 (WGS84)
Elevation 634
Relative position 16 MILES SE OF AJO.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gunsight(quadrangle 1:24,000 scale)

Ajo(quadrangle 1:100,000 scale)

Ajo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Cristobal Wash(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower 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 014S 004W 16 Arizona

Comments on the location information

  • CENTER OF SECTION 16 .

Commodities

Commodity Importance
Lead Primary
Silver Primary
Gold Secondary
Copper Secondary
Zinc Critical Secondary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Lead Ore
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Economic information

Ore body information

  • General form SPOTTY
    Strike N 25 E
    Dip 55 NW

Controls for ore emplacement

  • Along Intersecting Fissure Zones In Granitic Rock

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Small
Significant No
Year of first production 1881
Year of last production 1965

Production statistics

  • Year 1977
    Period 1918 - 1977
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^22 % Pb, 5 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 158g/mt
    Ore Lead Lead 22wt-pct

Comments on the production information

  • SPORADIC PRODUCTION FROM 1918 , POSSIBLY 1936 , 1943 .

Comments on the workings information

  • SHAFT AND TUNNEL WORKINGS.

Comments on development

  • OPERATORS INCLUDED GRAHAM & DICKEY, FISHER MINING CO, FERNALD & SCOTT

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 122 .

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.

  • Deposit

    PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERALS CARD FILE.

  • Other Database

    CIMRI

  • Production

    ABM BULLETIN 189 , P. 122 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-DEC-1992 Orris, Greta J. 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.