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  3. Mineral Resource Data System (MRDS)

Unnamed Prospect 101-45

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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10039745
MRDS ID M050761
Record type Site
Current site name Unnamed Prospect 101-45

Geographic coordinates

Geographic coordinates: -111.11513, 32.19039 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cat Mountain(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)

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 Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 14S 12E 28 Arizona

Commodities

Commodity Importance
Copper Tertiary

Alteration

  • (Local) Argillitic, Pyrite-Gossan, Pyrite-Chalcopyrite Gossan

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
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Arkose

Nearby scientific data

(1) -111.11513, 32.19039
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • Strike N64W
    Dip 30S
    Length 900M
    Width 1M

Controls for ore emplacement

  • Shear Zone Is At Se End Of Fault Zone Extending N60w For 0.9km, With Low Dip To S.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Amole District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • TUNNEL, SOME. SUBSIDIARY PITS IN VICINITY.

Reference information

Bibliographic references

  • Deposit

    ASHLEY, R. P., 1974 , FIELD EXAM

General comments

Subject category Comment text
Deposit SHEAR ZONE BOUNDED ON HANGINGWALL SIDE BY A MASSIVE ARKOSSIC GRIT BED 1M THICK; SO SHEARING MAY BE PARALLEL TO BEDDING. DEBRIS INCLUDES MASSIVE BLACK LIMONITE AND CU SILICATE ON FRACTURES (ALSO SOME DISSEMINATED). SOME FRAGMENTS SHOW NETWORK OF VEINLETS OF BLACK LIMONITE AND CU SILICATE (INTERRED PY-CP-GOSSAN) ; 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.