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  3. Mineral Resource Data System (MRDS)

Unnamed Prospect

Occurrence in Pinal county in Arizona, United States with commodity Copper
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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. 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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10039468
MRDS ID M050128
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -110.48374, 32.75427 (WGS84)
Elevation 1280
Relative position JUST NORTH OF TOWN OF COPPER CREEK NEAR CENTER OF EAST EDGE OF SEC. 10.

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Oak Grove Canyon(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 008S 018E 10 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1964)

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • COPPER STAIN, BUT DEPOSIT APPEARS BARREN.

Materials information

Materials Type of material
Chalcopyrite Ore
Chlorite Gangue
Quartz Gangue
Sericite Gangue
Tourmaline Gangue

Alteration

  • (Local) Chloritization, Sericitization.

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Copper Creek Granodiorite
    Rock description Copper Creek Granodiorite
    Stratigraphic age (youngest) Paleocene

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting Trending Nnw. ; Reg.Trends: Minor Pre-Cretaceous Folds Trending E And Ne. Major Post-Cretaceous Faulting Trending Nnw.
Type of structure Local
Structure description Breccia Pipe.

Ore body information

  • General form PIPE
    Length 45.72M
    Width 45.72M

Controls for ore emplacement

  • Breccia Pipe.

Comments on the geologic information

  • GEOL.DESC: BRECCIA CONSISTS OF VARIOUS-SIZED GRANODIORITE FRAGMENTS. SOME ROUNDING. BRECCIA WEAKLY COPPER-STAINED.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Bunker Hill District

Land status

Ownership category Federal

Comments on the workings information

  • 1 SHORT ADIT, 1 600FT. ADIT, 2 SHORT DRIFTS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit GRANODIORITE CUT BY CHLORITE ZONES WHICH ARE FILMED WITH COPPER STAIN. AT DEPTH, PIPE IS NEARLY CIRCULAR AND 25-30 FT. DIAMETER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Bergquist, Joel R. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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.