Yellow Star Mine

Past Producer in Pima county in Arizona, United States with commodity Tungsten
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10103741
MRDS ID M050141
Record type Site
Current site name Yellow Star Mine
Alternate or previous names Yellow Dragon No. 1 & 2, New Dragon Nos. 1 & 2 Claims.
Related records 10137917

Geographic coordinates

Geographic coordinates: -111.68431, 31.92984 (WGS84)
Elevation 998
Relative position ABOUT 3/4 MILES NW 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 17S;17S 07E;06E 19;24 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
Epidote Gangue
Orthoclase Gangue

Analytical data

Result CHIP SAMPLES FROM VARIOUS CUTS ASSAYED 0.19%, 0.69%, 0.35%, AND 0.21% 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) -111.68431, 31.92984

Economic information

Geologic structures

Type of structure Local
Structure description Southeast Trending Shears

Ore body information

  • General form FLAT LYING BED
    Strike SE
    Dip VARIES
    Thickness 0.61M
    Length 6.1M
    Width 3.66M
    Depth to top 18.29M
    Depth to bottom 18.9M

Controls for ore emplacement

  • Mineralization Confined To Friable, Granular Bed

Comments on the geologic information

  • GEOL.DESC: METAMORPHOSED FELDSPATHIC.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1952
Discoverer Earl Francis And Wm. H. Coplen
Year of first production 1953

Workings at the site

  • Type of workings Surface/Underground
    Length 6.1M
    Overall depth 18.29M
    Overall width 30.48M

Comments on the workings information

  • SHAFTS, OPEN CUTS, DRIFTS, AND ADITS OF DIFFERENT SIZES AND DIRECTIONS PRODUCED ORE.

Comments on development

  • CONTAINS DETAILS ON SIZE OF DIFFERENT WORKINGS AND MINERALIZED ZONES.

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

    KEITH, S., 1974, INDEX OF MINING PROPERTIES OF PIMA COUNTY, ARIZONA: ABM BULLETIN 189.

  • Deposit

    1956 RECON USBM RI5650.

  • 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 ONE ORE BODY BECAME FLAT LYING A 60-FOOT DEPTH; ON OPPOSITE SIDE OF THE RIDGE FROM THIS MAIN ORE BODY, ANOTHER ZONE OF MINERALIZATION WAS MINED WHICH CONSISTED OF NEARLY VERTICAL SOUTHEAST TRENDING SHEARS CONTAINING NUMEROUS NARROW STRINGERS IN A MINERALIZED FAULT.
Deposit THIS RECORD CONTAINS INFORMATION FROM DUPLICATE RECORD D000826 BY JAMES E. ELLIOT WHICH HAS BEEN DELETED FROM MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-JAN-1975 Elliot, James E. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.