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Independence Group

Past Producer in Pima county in Arizona, United States with commodities Tungsten, Gold, Silver, Copper, Fluorine-Fluorite
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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. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10039479
MRDS ID M050142
Record type Site
Current site name Independence Group
Alternate or previous names Independence No. 1 & 2, New Dragon No. 4
Related records 10259366

Geographic coordinates

Geographic coordinates: -111.68709, 31.93345 (WGS84)
Elevation 991
Relative position ABOUT 1 MILE NORTHWEST OF SAN JUAN SPRING.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Juan Spring(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Simon Wash(hydrologic unit)

Rio Sonoyta(hydrologic accounting unit)

Sonora(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 017S 006E 24 Arizona

Comments on the location information

  • UNSURVEYED; LOCATION PROJECTED BY U.S.B.M. ON SKETCH MAP; UTM GIVEN FOR INDEPENDENCE NO.2

Commodities

Commodity Importance
Tungsten Critical Primary
Gold Secondary
Silver Secondary
Copper Secondary
Fluorine-Fluorite Critical Tertiary

Materials information

Materials Type of material
Chrysocolla Ore
Limonite Ore
Malachite Ore
Scheelite Ore

Analytical data

Result SCHEELITE ZONE ASSAYED 0.056% & 0.021% WO3
Result OWNER REPORTS ASSAYS OF 0.12OZ. AU
Result 8.4 OZ AG
Result 13.05% CU.

Nearby scientific data

(1) -111.68709, 31.93345
ListMap

Economic information

Ore body information

  • General form NARROW
    Strike N10W
    Dip 70 E

Controls for ore emplacement

  • Shear Zone.

Comments on the geologic information

  • GEOL.DESC: ROCK IS ALTERED AND FRIABLE AND CONTAINS COATINGS OF COPPER OXIDES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1953
Discoverer Walter N. & Eugene D. Calvert; Vance J. & Wm. S. Brown.
Production years 1954-55

Comments on the production information

  • (1)INDEPENDENCE1,(2)INDEPENDENCE2

Workings at the site

  • Type of workings Surface/Underground
    Length 3.66M
    Overall depth 3.66M

Comments on the workings information

  • SHAFT, DRIFT, AND OPEN CUT.

Reference information

Bibliographic references

  • Deposit

    DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA, AND SANTA CRUZ COUNTIES,: U.S.B.M. R.I. 5650.

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.

  • Deposit

    1957 RECON U.S.B.M. RI 5650.

  • Deposit

    DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA AND SANTA CRUZ COUNTIES: U.S. BUREAU OF MINES, R.I. 5650.

  • Other Database

    CIMRI

  • Production

    DALE, ETAL, 1960, USBM R.I., 5650

General comments

Subject category Comment text
Deposit BULLDOZER STRIPPING OBLITERATED MINERALIZED OUTCROP ON INDEPENDENCE NO. 1; ALL DATA IS FOR INDEPENDENCE NO. 2. MINERALIZATION OCCURS IN A NARROW FRACTURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-DEC-1992 Orris, Greta J. 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.