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  3. Mineral Resource Data System (MRDS)

Unnamed Prospect 149-4

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

Geologic information

Identification information

Deposit ID 10095439
MRDS ID M050851
Record type Site
Current site name Unnamed Prospect 149-4

Geographic coordinates

Geographic coordinates: -111.19152, 32.27011 (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 11E 25 Arizona

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore

Alteration

  • (Local) 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

Nearby scientific data

(1) -111.19152, 32.27011
ListMap

Economic information

Ore body information

  • General form POD

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

  • 2 TUNNELS ABOUT 30M APART

Reference information

Bibliographic references

  • Deposit

    ASHLEY, R. P., 1974 , FIELD EXAM

General comments

Subject category Comment text
Deposit MAGNETITE - QUARTZ - EPIDOTE SKARN LOCALLY HAS DISSEMINATED CHALCOPYRITE, PARTLY OXIDIZED TO MALACHITE PLUS LIMONITE. ALSO IS QUARTZ-MAGNETITE -EPIDOTE-AMPHIBOLE SKARN AND SKARN WITH OTHER PROPORTIONS OF THESE FOUR MINERALS. OCCASIONAL WHITE CALCITE VEINLETS. POD FROM VISIBLE AT UPPER TUNNEL ONLY (TWO TUNNELS EXPLORE TWO SEPARATE PODS). ; 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.