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Lone Star Fluorspar Mine

Past Producer in Cochise county in Arizona, United States with commodities Fluorine-Fluorite, Quartz
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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. Ownership information
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10069410
MRDS ID W006928
Record type Site
Current site name Lone Star Fluorspar Mine
Alternate or previous names Lone Star Mine
Related records 10112443

Geographic coordinates

Geographic coordinates: -110.35067, 31.85013 (WGS84)
Relative position 24 KM S-SW OF BENSON.

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McGrew Spring(quadrangle 1:24,000 scale)

Fort Huachuca(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper San Pedro(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 018S 019E 35;26 NW4 (35); SW/4 (26) Arizona

Comments on the location information

  • IN WHETSTONE MOUNTAINS. ; INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Quartz Tertiary

Comments on the commodity information

  • FLUORITE - CAF2 - COARSE - GRAINED CRYSTALLINE, PALE GREEN OR WHITE, SOMETIMES BANDED. TUNGSTUN MINES ARE NEARBY

Materials information

Materials Type of material
Fluorite Ore
Quartz Gangue

Analytical data

Result 85% EFFECTIVE CAF2 AVERAGE MINE RUN (WILSON 1950). 75 - 85% CAF2 AVERAGE AND A GRAB SAMPLE FROM A STOCKPILE ASSAYED 87% CAF2, 2.7% SILICA 0.13 LEAD.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -110.35067, 31.85013
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault With 900 M. Vertical Displacement Is Located 0.8 Km. East Of Mine

Ore body information

  • General form LINEAR
    Strike N30W
    Dip 80 S

Controls for ore emplacement

  • Fault Control

Comments on the geologic information

  • SCHIST FOLIATION N15E, 80SE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1946
Year of first production 1946

Mining district

District name Whetstone District

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Whitelock, C. L.

Production statistics

  • Year 1950
    Period 1946 - 1950
    Material F
    Accuracy Accurate
    Description Cp_Grade: ^85% Effective Caf2
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major CaF2 Fluorine-Fluorite Fluorine 85wt-pct
  • Year 1967
    Material F
    Accuracy Accurate
    Description Ap_Grade: ^80. % Caf2
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major CaF2 Fluorine-Fluorite Fluorine 80wt-pct

Comments on the production information

  • PRODUCTIVE PERIOD WAS 1946 - 1952 AND 1967. ARIZONA'S MOST PRODUCTIVE FLUORSPAR MINE.

Comments on the workings information

  • SPAR SHOOTS AVERAGE 0.8 M. WIDE, 8 M LONG BY 9 M HIGH. LEVELS AT 60,90,190,250, AND 300 FT, INCLINED SHAFT 80 FT, AT LEAST 600 FT TOTAL WORKINGS, INCLUDING SHAFT

Comments on development

  • ECON.COM: A MINIMUM OF PROCESSING (HAND SORTING, CRUSHING AND SCREENING) NECESSARY TO MAKE METALLURGICAL GRADE

Reference information

Bibliographic references

  • Deposit

    ELEVATORSKI, E.A., 1971, ARIZONA FLUORSPAR: ARIZONA DEPT. MINERAL RESOURCES, P. 10 - 12.

  • Deposit

    WILSON, E.D., 1950, FLUORSPAR IN ARIZONA: ARIZONA BUREAU OF MINES CIRC. NO. 15, P. 9 - 10.

  • Deposit

    USBM FILES. ARIZ. MNG. JOUR., APRIL, 1948.

  • Deposit

    BURNETTE, 1957, GEOLOGY OF THE MIDDLE CANYON, WHETSTONE MOUNTAINS, COCHISE COUNTY, ARIZONA, MS THESIS, UNIV OF ARIZ

  • Deposit

    VAN ALSTINE, B.E., AND MOORE, R.T., 1969, FLUORSPAR, IN ABM BULLETIN 180, USGS BULLETIN 871, P. 352.

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    WILSON, E. D., 1950, FLUORSPAR IN ARIZONA. U.S. BU MINES MINERAL YEARBOOSK

General comments

Subject category Comment text
Deposit COARSE-GRAINED, BANDED, GREENISH FLUORSPAR WITH DENSE MUGGY QUARTZ. ORE SHOOTS AVERAGING 2.5 FT THICK AND AS MUCH AS 25 FT LONG AND 30 FT DEEP, CONTAIN MORE THAN 80% CAF2. FLUORSPAR IN FISSURE VEINS IN QUARTZ-SERICITE SCHIST THAT IS CONTOURED AND SHEARED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1975 Schruben, Paul G. U.S. Geological Survey
Updater 01-JAN-1982 Gest, Don E. Arizona Bureau of Geology and Mineral Technology
Updater 01-OCT-1992 Carbonaro, Marguerite M. 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.