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Rushbey Prospect

Past Producer in Pima county in Arizona, United States with commodity Tungsten
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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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10039480
MRDS ID M050143
Record type Site
Current site name Rushbey Prospect
Alternate or previous names Birthday Claim
Related records 10283413

Geographic coordinates

Geographic coordinates: -111.68098, 31.93679 (WGS84)
Elevation 1006
Relative position ABOUT 1 MILE NORTH 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 007E 19 Arizona

Comments on the location information

  • UNSURVEYED; LOCATION PROJECTED BY U.S.B.M. ON SKETCH MAP.

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore

Alteration

  • (Local) Hydrothermal Alteration

Analytical data

Result MATERIAL FROM SAMPLE CUTS ACROSS MAIN BAND ASSAYED 0.78% WO3.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -111.68098, 31.93679
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Principal Shears Strike N 30 E, Dip 70 Se.

Ore body information

  • Strike N 20 W
    Dip 30W
    Width 0.46M

Controls for ore emplacement

  • Scheelite - Bearing Band Of Hydrothermally Altered Material.

Comments on the geologic information

  • GEOL.DESC: BAND IS UNDERLAIN BY MASSIVE QUARTZITE AND OVERLAIN BY SHEARED AND SHATTERED QUARTZITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1954
Discoverer Dewitt T. Rushbey & E.L. Hicklin
Production years 1955

Production statistics

  • Year 1955
    Material ORE W
    Accuracy Estimate
    Description Ap_Grade: ^63% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Wo3 Ore Tungsten Tungsten 63wt-pct

Workings at the site

  • Type of workings Surface
    Overall length 25M
    Overall width 25M

Comments on the workings information

  • FROM THE FACE OF THE OPEN CUT, AN OPENING 12 FEET WIDE EXTENDS 10 FEET INTO HILLSIDE.

Reference information

Bibliographic references

  • Deposit

    DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA, AND SANTA CRUZ COUNTIES: USBM REPORT OF INVESTIGATION 5650

  • Deposit

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

General comments

Subject category Comment text
Deposit BECAUSE OF OVERBURDEN THE ORE ZONE COULD NOT BE TRACED BEYOND THE LIMITS OF THE OPEN CUT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Johnson, Maureen 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.