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

Main San Juan Claim

Occurrence in Pinal 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 10039962
MRDS ID M051176
Record type Site
Current site name Main San Juan Claim

Geographic coordinates

Geographic coordinates: -111.08708, 32.64788 (WGS84)

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chief Butte(quadrangle 1:24,000 scale)

Casa Grande(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009S 012E 15 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1964)

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore

Alteration

  • (Local) Propylitic K-Potassic

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Pinal Schist
    Rock description Pinal Schist

Nearby scientific data

(1) -111.08708, 32.64788
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Owl Head District

Land status

Ownership category Private

Comments on the workings information

  • SHAFT (COVERED) SEVERAL PROSPECTS AND A DRILL HOLE

Reference information

Bibliographic references

  • Deposit

    N.G. BANKS, FIELD EXAM

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit PINAL HAS LIGHT TO HEAVY N 50 DEG E QTZ VEINLETS AND LIGHT CHALCOPYRITE GOSSAN ALTERATION IN SCHIST IS DIFFICULT TO DETERMINE AND THE SHAFT DUMP & CHURN HOLE TAILINGS SHOW VERY LIGHT SULFIDES. MODERATE AMOUNT OF COPPER OXIDE - SILICATE VEINING AND STAINING IN SURFACE OUTCROP.
Deposit SHAFT, PROSPECTS AND DRILL HOLE ON MAIN OLD WORKINGS OF SAN JUAN CLAIMS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1976 Banks, Norman G. 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.