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

Unnamed Copper Deposit

Prospect in Pinal county in Arizona, United States with commodity Copper
Map
XML
JSON
KML
C
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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10039941
MRDS ID M051145
Record type Site
Current site name Unnamed Copper Deposit

Geographic coordinates

Geographic coordinates: -111.02069, 32.50094 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tortolita Mountains(quadrangle 1:24,000 scale)

Casa Grande(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

LG(Federal land areas administered by LG)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 011S 013E 04 Arizona

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Epidote Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue
Specularite Gangue

Alteration

  • (Local) Propylitic & Py-Cp-Gossan & Specularite Gossan

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name San Maniego;Tortolita Quartz Monzonite
    Rock description San Maniego;Tortolita Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -111.02069, 32.50094
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Owl Head District

Comments on the workings information

  • THREE PROSPECT PITS

Reference information

Bibliographic references

  • Deposit

    BANKS, N., DOCKTOR, R., AND BRISKEY, J., 1976, MAPS OF MINES ETC, IN THE TORTOLITA MTNS QUAD, MAP A, OPEN FILE

General comments

Subject category Comment text
Deposit MINERALIZED DISCONTINUOUS QUARTZ VEINS. QUARTZ VEINS "MINED OUT" AND NO LONGER EXPOSED IN WORKINGS. ALTERED WALL ROCK, WHERE PRESENT, APPEARS TO BE THE RESULT OF SURFICIAL WEATHERING RATHER THAN HYDROTHERMAL ALTERATION. QUARTZ VEINS OFTEN BRECCIATED AND RECEMENTED WITH QUARTZ AND (OR) SPECULARITE. SULFIDE MINERALS APPARENTLY ACCOMPANIED SPECULARITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1976 Briskey, Joseph A. U.S. Geological Survey
Updater 01-APR-1981 Harner, Joy L. (Peterson, Jo) 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.