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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Unnamed Prospect 145-1

Occurrence in Pima 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. 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 10048197
MRDS ID M800269
Record type Site
Current site name Unnamed Prospect 145-1

Geographic coordinates

Geographic coordinates: -111.19958, 32.3515 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Avra(quadrangle 1:24,000 scale)

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

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brawley Wash(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 12S 11E 34 Arizona

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Limonite Gangue

Alteration

  • (Local) Quartz-Sericite-Pyrite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -111.19958, 32.3515
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault Breccia; Plungs On Slicken Sides

Ore body information

  • General form VEINLETS
    Strike N44W
    Dip 87W
    Plunge 77N
    Width 0.01M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Amole District

Comments on the workings information

  • PIT

Reference information

Bibliographic references

  • Deposit

    ASHLEY, R. P., 1974 , FIELD EXAM

General comments

Subject category Comment text
Deposit FAULT SEPARATES PINAL QUARTZ PHYLLITE ON E FROM GRANITIC ROCK ON WEST. MAYBE SOME QUARTZ SERICITE ALTERATION WITH VUGGY QUARTZ VEINLETS ADJACENT TO FAULT. ELSEWHERE GRANITIC ROCK LOOKS WEAKLY ARGILLIZED. VUGGY QUARTZ HAS LIMONITE AND MINOR CU SILICATES IN VUGS, AND ALSO IS SOME CU SILICATE ON FRACTURES. ; INFO.SRC : 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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.

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.