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

Ajo Extension

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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10027169
MRDS ID M002358
Record type Site
Current site name Ajo Extension
Alternate or previous names Bluestone Copper

Geographic coordinates

Geographic coordinates: -112.85435, 32.30899 (WGS84)
Elevation 549
Relative position 4 MILES S OF AJO.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ajo South(quadrangle 1:24,000 scale)

Ajo(quadrangle 1:100,000 scale)

Ajo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Cristobal Wash(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower 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 013S 006W 11 Arizona

Commodities

Commodity Importance
Copper Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -112.85435, 32.30899
ListMap

Economic information

Ore body information

  • General form UNKNOWN
    Depth to top 487.68M

Comments on the geologic information

  • GEOLOGY IS SPECULATED FROM NEW CORNELIA AREA ( 3 MILES NORTH ).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Ajo District

Land status

Ownership category Private

Comments on the workings information

  • DRILLING PROGRAM ONLY

Reference information

Bibliographic references

  • Deposit

    WILLIAMS, F.E., 1968, TABULATION OF SELECTED COPPER DEPOSITS IN THE US: USBM (UNPUBLISHED)

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit POSSIBLY RELATED TO NEW CORNELIA ORE BODY
Deposit IDLE IN 1942 . ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 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.