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  3. Mineral Resource Data System (MRDS)

Unnamed Prospect 118-17

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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10039831
MRDS ID M050911
Record type Site
Current site name Unnamed Prospect 118-17

Geographic coordinates

Geographic coordinates: -111.15736, 32.26761 (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)

Federal lands

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 13S 12E 30 Arizona

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Malachite Ore

Alteration

  • (Local) Pyrite-Gossan; Skarn

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

Economic information

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 National Park

Comments on the workings information

  • 3 PITS SPREAD OUT OVER 15M DISTANCE

Reference information

Bibliographic references

  • Deposit

    ASHLEY, R. P., 1974 , FIELD EXAM

General comments

Subject category Comment text
Deposit MIDDLE PIT CAVED TO EXPOSE TUNNELS, IS IN SKARN POD AT LEAST SEVERAL M IN DIAMETER. LARGE BODY OF MASSIVE LIMONITEGOSSAN WITH IRREGULAR BOUNDARIES TAKES UP HALF THE WIDTH OF THE POD. SOME MALACHITE AND CU SILICATE ON FRACTURES IN SKARN. TWO END PITS HAVE HORNFELS WALLROCK ONLY. TUNNEL AT 118-16 MAY DRIVE INTO SKARN AT THIS LOCATION. ; 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.