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  3. Mineral Resource Data System (MRDS)

Primos Group

Past Producer in Cochise 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. 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. Mining district
  15. Land status
  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 10039519
MRDS ID M050208
Record type Site
Current site name Primos Group
Alternate or previous names Little Dragoon Mts

Geographic coordinates

Geographic coordinates: -110.08872, 32.06734 (WGS84)
Elevation 1661
Relative position 2.5 MILES SSW OF JOHNSON; 4 MI NE OF DRAGOON.

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dragoon(quadrangle 1:24,000 scale)

Tucson(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Willcox Playa(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 016S 022E 03 Arizona

Comments on the location information

  • 21 PATENTED CLAIMS, EXTENDING BETWEEN THE QUARTZ MONZONITE CONTACT HALF A MILE SOUTH OF JOHNSON AND A POINT ABOUT A THIRD OF A MILE SW OF THE BLUEBIRD MINE, A DISTANCE OF 2 3/4 MILES.

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Huebnerite Ore
Pyrite Ore
Scheelite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Texas Canyon Quartz Monzonite
    Rock description Texas Canyon Quartz Monzonite
    Stratigraphic age (youngest) Pliocene

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting Trending Nnw. ; Reg.Trends: Late Cretaceous Or Early Tertiary N To Nw Trending Folds And Thrust Faults Overriding To Ne.

Ore body information

  • General form TABULAR
    Strike N 50 E
    Dip 39 SE
    Thickness 0.46M

Controls for ore emplacement

  • Faults, Fracturing

Comments on the geologic information

  • GEOL.DESC: TUNGSTEN BEARING VEINS CUT QTZ MONZONITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1900

Mining district

District name Bluebird District

Land status

Ownership category Private

Comments on the production information

  • TOTAL TO 1945 EST. AT 25,000 UNITS OF W03 OF WHICH 80% WAS TAKEN FROM THE PROPERTY OF PRIMOS CHEMICAL CO.

Workings at the site

  • Type of workings Underground
    Length 30.48M
    Overall depth 12.19M

Comments on the workings information

  • 1 SHAFT 40 FT. DEEP, 60 FT. DRIFT AT BOTTOM; WORKINGS INCLUDE THE BLUEBIRD MINE, DIVIDEND TUNNEL, AND A FEW SMALLER ADITS AND SHAFTS, BUT MOST OF THE PRODUCTION CAME FROM SCORES OF OPEN PITS AND SMALL UNDERHAND STOPES ON THE VEIN OUTCROPS.

Reference information

Bibliographic references

  • Deposit

    COOPER, J.R., AND SILVER, L.T., 1964, U.S. GEOLOGICAL SURVEY PROF. PAPER 416

  • Deposit

    LEMMON, UNPUB. DATA

  • Deposit

    LEMMON & TWETO, 1962, USGS MAP MR-25

  • Deposit

    WILSON, 1941, ARIZ UNIV BULL V. 12, NO. 2

  • Deposit

    SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: U.S. BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

  • Deposit

    1964 GEOLMAP COOPER AND SILVER, U.S.G.S. PROF. PAPER 41

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit SEE MRDS RECORDS FOR BLUEBIRD MINE (M050028) AND DIVIDEND TUNNEL (M050026). THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD D000756 OF J.E. ELLIOTT WHICH HAS BEEN DELETED FROM MAIN MRDS.
Deposit QUARTZ VEINS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1972 Bergquist, Joel R. U.S. Geological Survey
Updater 01-MAY-1990 Bolm, Karen S. U.S. Geological Survey
Updater 01-MAY-1995 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.