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Black Dike Mine

Past Producer in Pima county in Arizona, United States with commodities Uranium, Lead, Silver, Manganese, Fluorine-Fluorite, 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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  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 10039556
MRDS ID M050276
Record type Site
Current site name Black Dike Mine
Alternate or previous names Big Dike Apex & Ajax, Black Dike Group, Black Dike Deposit, Bobson Group
Related records 10208011, 10210581

Geographic coordinates

Geographic coordinates: -111.28208, 31.92845 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stevens Mountain(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brawley Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

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 010E 23,24,25,26 Arizona

Commodities

Commodity Importance
Uranium Primary
Lead Secondary
Silver Secondary
Manganese Critical Tertiary
Fluorine-Fluorite Critical Tertiary
Tungsten Critical Tertiary

Comments on the commodity information

  • SHAFT ORIGINALLY SUNK PROBABLY FOR COPPER IN WWI THEN FOR URANIUM IN 1950'S.

Materials information

Materials Type of material
Anglesite Ore
Chalcocite Ore
Chalcopyrite Ore
Fluorite Ore
Galena Ore
Gold Ore
Magnetite Ore
Malachite Ore
Pitchblende Ore
Psilomelane Ore
Pyrolusite Ore
Sphalerite Ore
Uraninite Ore
Wulfenite Ore
Chlorite Gangue
Epidote Gangue
Garnet Gangue
Pyrite Unknown

Alteration

  • (Local) Manganese Oxides Mixed With Pitchblende

Analytical data

Result SAMPLES FROM DIKE CONTAINED LESS THAN 0.006% U
Result FROM CONTACT METAMORPHIC ZONE 0.011 TO 0.16% U
Result FOR COPPER RANGE WAS 0.01 TO 0.97% - LOWEST IN DIKE

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -111.28208, 31.92845
ListMap

Economic information

Ore body information

  • General form IRREGULAR, LENTICULAR
    Strike N10W
    Dip 65E
    Thickness 45.72M
    Width 1.22M
    Depth to top 12.19M

Controls for ore emplacement

  • Irregular Fractures Extending Out From Dike Contact

Comments on the geologic information

  • OUTCROP OF SILICIFIED SCHIST WITH THIN COATING OF MN OXIDE. GIVES APPEARANCE OF LARGE DEPOSIT. ; GEOL.DESC: AGE UNKNOWN - PROBABLY TERT- CRET.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1915

Mining district

District name Papago District

Ownership information

  • Type Operator
    Owner Ybarra, Allen, And Wilson
  • Type Owner
    Owner Col. Moller (Rancher)

Comments on the production information

  • PROBABLE PRODUCTION DURING WWI FOR PB, AG, CU

Comments on the reserve resource information

  • LOCAL CONCENTRATIONS OF URANIUM MINERALS COULD BE FOUND BUT LIKELYHOOD OF LARGE HIGH-GRADE DEPOSITS IS WEAK.

Workings at the site

  • Type of workings Underground
    Overall depth 22.86M

Comments on the workings information

  • MORE WORK HAS BEEN DONE SINCE BULL. 1147 REPORT.

Reference information

Bibliographic references

  • Deposit

    GRANGER AND RAUP, 1962, RECONN. URANIUM IN ARIZONA: USGS BULL. 1147-A, P. 25-29.

  • Deposit

    USBM IC 7990, P. 121.

  • Deposit

    KRIEGER, M., 1973, FIELD EXAM.

  • Deposit

    USAEC RMO 679.

  • Deposit

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

  • Deposit

    PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERAL CARD FILES.

  • Deposit

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

  • Deposit

    ABM BULLETIN 189, P. 132 .

  • Deposit

    USAECRME 159, P. 6-12.

  • Deposit

    1950 RECON USAEC - WRIGHT - SUGGESTED OPENING SHAFT FOR U.

  • Deposit

    1951 GEOCHEM GRANGER & ADAMS - USGS BULL. 1147 A

General comments

Subject category Comment text
Deposit MINERALIZATION ON WALLS OF DIKE - DIMENSIONS GIVEN ABOVE. MINERALIZATION OCCURS AT CONTACT OF GRANITIC GNEISS AND BASALT DIKE WHERE THE ZONE IS ALTERED TO GARNET, CHLORITE, AND EPIDOTE.
Deposit THIS RECORD INCLUDES INFORMATION FROM DUPLICATE RECORD M000150 WHICH HAS BEEN DELETED FROM MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit Discovery Year: WORLD WAR I; AGAIN 1950'S.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-SEP-1991 Carbonaro, Marguerite M. U.S. Geological Survey
Updater 01-DEC-1992 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

External references

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.