Unnamed Prospect

Occurrence in Graham county in Arizona, United States with commodity Copper
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. Reporter information

Geologic information

Identification information

Deposit ID 10088598
MRDS ID M050150
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -110.32845, 32.91288 (WGS84)
Elevation 1402
Relative position 3.3 MILES SE OF ARAVAIPA

Site location context

Political divisions (FIPS codes)

Graham(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cobre Grande Mountain(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)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Graham

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 006S 020E 17 Arizona

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Chrysocolla Ore
Hematite Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name 68 My/Copper Creek Granodiorite
    Rock description 68 My/Copper Creek Granodiorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Horse Mountain Cretaceous-Terti Coarse Grained Tuff And Agglomerate
    Rock description Horse Mountain Cretaceous-Terti Coarse Grained Tuff And Agglomerate
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Economic information

Geologic structures

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

Ore body information

  • Strike N 30 W
    Dip 75 SW

Controls for ore emplacement

  • Fault Breccia Along Grand Reef Fault

Comments on the geologic information

  • GEOL.DESC: MINERALIZATION ALONG FAULT ZONE IN BRECCIA

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Aravaipa District

Land status

Ownership category National Forest

Comments on the workings information

  • CUT 40 FT DEEP AND SHALLOW PITS

Comments on development

  • TWO PROSPECTS 0.1 MILE APART

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Bergquist, Joel R. 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.