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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. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10039994
MRDS ID M051237
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -111.32653, 32.84399 (WGS84)

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Picacho Reservoir SE(quadrangle 1:24,000 scale)

Casa Grande(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Gila(hydrologic unit)

Middle Gila(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 Pinal

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore
Chlorite Gangue
Epidote Gangue

Alteration

  • (Local) Propylitic ?

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -111.32653, 32.84399
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Qtz. Vein Highly Fractured

Ore body information

  • General form VEIN
    Strike N 60 DEG W
    Dip 75 DEG S.W.
    Thickness 1.83M

Comments on the geologic information

  • MINERALIZATION OCCURS NEAR CONTACT OF GRANITE WITH CHLORITE SCHIST.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Picacho District

Comments on the workings information

  • A TRENCH 20' DEEP HAS BEEN CUT AT RT. ANGLES TO THE STRIKE OF THE ROCKS.

Reference information

Bibliographic references

  • Deposit

    W. YEEND, FIELD EXAM

General comments

Subject category Comment text
Deposit QUARTZ VEIN. QUARTZ VEIN CUTS ACROSS FOLIATION IN FOLIATED GRANITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1976 Yeend, Warren 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.