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Pure Gold

Past Producer in Pinal 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. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10039523
MRDS ID M050217
Record type Site
Current site name Pure Gold
Alternate or previous names Campo Bonito Group, Bonito Mines
Related records 10210244

Geographic coordinates

Geographic coordinates: -110.73624, 32.55844 (WGS84)
Elevation 1524
Relative position 10 MILES SSW OF TIGER ON NE FLANK OF SANTA CATALINA MOUNTAINS. ONE-HALF MILE SOUTH OF CAMPO BONITO.

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Campo Bonito(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 010S 016E 17,18,20,21 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore
Calcite Gangue
Dolomite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification Of Breccia, Dolomitization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Escabrosa Limestone
    Rock description Escabrosa Limestone

Nearby scientific data

(1) -110.73624, 32.55844
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting Trending Nnw ; Reg.Trends: Post Cretaceous & Pre-Pliocene Thrust & High Angle Normal And Reverse Faults. Cretaceous-Tertiary Intrusives And Consequent Faulting.
Type of structure Local
Structure description Mogul Fault

Ore body information

  • General form TABULAR TO IRREGULAR MASSIVE
    Strike N OF W
    Dip 30-60 S
    Thickness 12.19M
    Length 60.96M
    Depth to top 0M

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • PREC GRANITE UNDERLIES ORE TO NE OF MOGUL FAULT. FAULT TRENDING N OF W BRINGS PALEOZOIC AND PRECAMBRIAN SEDIMENTARY AND METAMORPHIC ROCKS ON SOUTH INTO CONTACT WITH PRECAMBRIAN GRANITE ON THE NORTH. ZONE OF BRECCIATION IS ABOUT 50 FT. THICK. AT PURE GOLD MINE, BRECCIA IS SILICIFIED AND MINERALIZED.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1943
Discoverer E. J. Ewing
Year of first production 1943
Year of last production 1944
Production years 1943-1944

Mining district

District name Oracle District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner E. H. Molson And E. J. Ewing ; (Year Of Info
    First year 1943
    Last year 1944
  • Type Owner
    Owner E. H. Molson
    First year 1959

Production statistics

  • Year 1944
    Period 1943-1944
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^1.51% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tungsten Tungsten 2wt-pct

Comments on the production information

  • PRODUCTION EQUILVALENT TO 11, 815 SHORT TON UNITS OF WO3 (1 SHORT TON UNIT = 20 LBS OF WO3 CONTAINING 15.862 LB OF W). OR 85 MT OF CONTAINED W.

Comments on the workings information

  • TWO ADITS, 175 AND 88 FT; 2 SHALLOW SHAFTS; TWO INCLINED SHAFTS UP TO 35 FT. DEEP. ONE OPEN CUT 160 BY 30 FT. ALSO ABOVE CODY TUNNEL IS AN ADIT OF 315 FT. WITH 40 FT. WINZE.

Comments on development

  • ECON.COM: GOOD ACCESS BY ROAD FROM ORACLE OR SAN MANUEL.

Reference information

Bibliographic references

  • Deposit

    DALE, V.B., 1959, TUNGSTEN DEPOSITS OF YUMA, MARICOPA, PINAL, AND GRAHAM COUNTIES, ARIZONA: U.S. BUREAU MINES REPT. OF INV. 5516, 68 P.

  • Deposit

    LUDDEN, R.W. JR., 1950, GEOLOGY OF THE CAMPO BENITO AREA, ORACLE, ARIZONA: TUCSON, ARIZ., UNIV. ARIZONA, M.S. THESIS, 49 P.

  • Deposit

    WILSON, E.D., 1941, TUNGSTEN DEPOSITS OF ARIZONA: ARIZONA BUREAU OF MINES BULL. 148, 54 P.

  • Deposit

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

  • Deposit

    1944 COMPILE STRATEGIC MINERALS INVESTIGATION

  • Deposit

    1944 DIREXPL MT. LEMMON MINING CO. DRILL HOLES.

  • Deposit

    1949 DIREXPL MT. LEMMON MINING CO. DRILL HOLES.

  • Deposit

    1959 COMPILE U.S. BUREAU MINES, R.I. 5516

  • Other Database

    CIMRI

  • Production

    DALE, V.B., 1959.

General comments

Subject category Comment text
Deposit SILICIFIED, BRECCIATED LIMESTONE, LOCALLY DOLOMITIZED, CONTAINS ORE. MARBLE NEAR ORE.
Deposit SEE ALSO RECORD M030487, MAUDINA MINE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Bergquist, Joel R. U.S. Geological Survey
Updater 01-MAR-1994 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.