Mohawk Mine

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

Geologic information

Identification information

Deposit ID 10039413
MRDS ID M050047
Record type Site
Current site name Mohawk Mine
Related records 10113899

Geographic coordinates

Geographic coordinates: -110.7829, 31.8593 (WGS84)
Elevation 1353
Relative position 28 MILES SE OF TUCSON

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Helvetia(quadrangle 1:24,000 scale)

Fort Huachuca(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 18S 15E 23 Arizona

Comments on the location information

  • NW 1/4 SECTION 23.

Commodities

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

Comments on the commodity information

  • AG AND AU MENTIONED IN CRIB FILE NO. M000915.

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore

Alteration

  • (Local) Intense Silicification

Analytical data

Result GRAB SAMPLE FROM MOHAWK SHOWS .0004 PERCENT BEO - WARNER - 1959.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Rock unit name Quartz Latite 56 +-2m.Y. Quartz Latite
    Rock description Quartz Latite 56 +-2m.Y. Quartz Latite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Willow Canyon Formation Conglomerate-Siltstone;Concha Limestone Cherty Limestone
    Rock description Willow Canyon Form Conglomerate-Siltstone;Concha Limestone Cherty Limestone

Nearby scientific data

(1) -110.7829, 31.8593

Economic information

Geologic structures

Type of structure Regional
Structure description Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N.
Type of structure Local
Structure description Thrust And Normal Faulting - Fracture Zones

Ore body information

  • General form IRREGULAR PODS

Controls for ore emplacement

  • Contact Between Limestone And Intrusive Quartz Latite.

Comments on the geologic information

  • ORE GEN IN LIME-SILICATE ZONES CONTROLLED BY FAULTS AND FRACTURES. ; GEOL.DESC: AGE OF MINERALIZATION BELIEVED TO BE THAT OF THE QUARTZ LATITE INTRUSIVE OF DREWES - 1971. ; REG.COM: STRUCTURE IN DISTRICT IS THRUST FAULTING - HIGH ANGLE NORMAL FAULTING AND FOLDING.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1887
Discoverer John Wiegel
Year of first production 1885
Year of last production 1948

Mining district

District name Helvetia-Rosemont District

Land status

Ownership category National Forest

Production statistics

  • Year 1949
    Period 1940-1949
    Material ORE CU
    Accuracy Estimate
    Description Cp_Grade: ^3% Cu, Minor Ag, Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Copper Copper 3wt-pct

Comments on the production information

  • PRODUCTION IN LATE 1880'S, AND 1940'S.

Comments on the workings information

  • SHAFT AND OPENCUT.

Comments on development

  • OPERATORS INCLUDED R.A. SCOTT, A. MACFARLANE

Reference information

Bibliographic references

  • Deposit

    SCHRADER, F. C., 1915 USGS BULL. 582

  • Deposit

    ARIZONA BUREAU OF MINES 1971 FIELDNOTES V. 1 NO 2

  • Deposit

    DREWES, H. 1971 USGS MAP I-613 (SAHUARITA QUAD)

  • Deposit

    CREASEY, S. C. 1955 - U.S.G.S. BULL. 1027F

  • Deposit

    1909 RECON F. C. SCHRADER U.S.G.S. BULL. 582

  • Deposit

    1971 DIREXPL ANACONDA-POSSIBLE NEW PORPH COPPER DEPOSIT.

  • Deposit

    1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613.

  • Production

    KEITH,S.B.,1974,ABM BULLETIN 189.

General comments

Subject category Comment text
Deposit POSSIBLE EXTENSION OF OLD DICK LODE OF SCHRADER - 1915.
Deposit THE STRATIGRAPHIC UNITS USED ARE THOSE OF H. DREWES - 1971 USGS MAP I-613. ; REF: WARNER, L.A., AND OTHERS, 1959, U.S.G.S. PP 318. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit Discovery Year: LATE 188?

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Keith, William 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.