Gila Monster Mine

Past Producer in Pima county in Arizona, United States with commodities Lead, Copper, Zinc
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. Economic information about the deposit and operations
  14. Mining district
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10039672
MRDS ID M050626
Record type Site
Current site name Gila Monster Mine
Related records 10283209

Geographic coordinates

Geographic coordinates: -111.12125, 32.299 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jaynes(quadrangle 1:24,000 scale)

Silver Bell Mountains(quadrangle 1:100,000 scale)

Tucson(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)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 013S 012E 13 Arizona

Commodities

Commodity Importance
Lead Primary
Copper Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Smithsonite Ore
Sphalerite Ore
Chlorite Gangue
Hematite Gangue
Quartz Gangue

Alteration

  • (Local) Argillitic

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Tucson Mtns., Chaos
    Rock description Tucson Mtns., Chaos

Nearby scientific data

(1) -111.12125, 32.299

Economic information

Geologic structures

Type of structure Local
Structure description Vein Zone (See Comments)

Ore body information

  • General form VEINS, PODS
    Strike N65E
    Dip 58S
    Width 2M

Economic information about the deposit and operations

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

Mining district

District name Amole District

Comments on the workings information

  • 2 SHAFTS 10M APART

Reference information

Bibliographic references

  • Deposit

    ASHLEY, R.P., 1974, FIELD EXAM

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit VEIN SEEMS TO BE SHEARED -LOOKING WESTERN MARGIN OF LIMESTONE BLOCK (OUTCROP 20-30M DIAMETER), WHICH FORMS HANGINGWALL. WORKINGS ARE IN BRECCIATED ANDESITE WITH SOFT PALE GREENARGILLIC MATRIX. ONE ZONE LOOKS LIKE 2M. WIDE ZONE OF IRREGULAR STRINGERS AND PODS SPECULAR HEMATITE PLUS QUARTZ PLUS DARK GREEN CHLORITE WITH SCARCE SPHALERITE, CU SILICATE, AND GALENA. ; INFO.SRC : 2 UNPUB REPT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1974 Ashley, Roger P. U.S. Geological Survey
Updater 01-FEB-1980 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

Authoritative Arizona resources

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