Gopher Mine

Past Producer in Pima county in Arizona, United States with commodities Lead, Silver, Copper, Gold, Zinc, 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. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10039627
MRDS ID M050523
Record type Site
Current site name Gopher Mine
Alternate or previous names Hiltano, Hilton, State of Maine
Related records 10162284

Geographic coordinates

Geographic coordinates: -110.64401, 31.87069 (WGS84)
Elevation 1478
Relative position 10 MI SSW OF PANTANO

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Empire Ranch(quadrangle 1:24,000 scale)

Fort Huachuca(quadrangle 1:100,000 scale)

Nogales(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 018S 017E 07,18 NE4 (18) Arizona

Commodities

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

Materials information

Materials Type of material
Anglesite Ore
Copper Ore
Galena Ore
Pyrite Ore
Wulfenite Ore

Alteration

  • (Local) Massive Sulfide Gossan, Contact Metamorphism Adjacent Granite

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Sycamore Canyon Quartz Monzonite
    Rock description Sycamore Canyon Quartz Monzonite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Concha Limestone
    Rock description Concha Limestone

Nearby scientific data

(1) -110.64401, 31.87069

Economic information

Geologic structures

Type of structure Local
Structure description Folded & Faulted Limestone Blocks Along Nw Faults

Ore body information

  • General form IRREGULAR, CHIMNEYS (COARSE STOCKWORK)
    Strike SSW
    Dip STEEP NW

Controls for ore emplacement

  • Along Fissure Intersections

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1879

Mining district

District name Empire District

Production statistics

  • Year 1930
    Period 1880-1930
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^20% Pb, 3% Zn, 0.8% Cu, 1.5 Oz/T Ag, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 42g/mt
    Ore Zinc Zinc 3wt-pct
    Ore Copper Copper 1wt-pct
    Ore Lead Lead 20wt-pct

Comments on the production information

  • WORKED IRREGULARLY

Comments on the workings information

  • INCLINED SHAFT

Reference information

Bibliographic references

  • Deposit

    KEITH, 1974, ABM BULL 189 P 118

  • Deposit

    CREASEY, S.C., 1973, FIELD EXAM

  • Deposit

    FEISS, 1929, M.S. THESIS UNIV OF AZ

  • Production

    KEITH, 1974

General comments

Subject category Comment text
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050523 WITH RE CORD M030527 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.

Authoritative Arizona resources

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