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  3. Mineral Resource Data System (MRDS)

Black Hawk Group

Past Producer in Graham county in Arizona, United States with commodity Manganese
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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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10102411
MRDS ID M000900
Record type Site
Current site name Black Hawk Group
Related records 10185432

Geographic coordinates

Geographic coordinates: -110.13706, 32.79593 (WGS84)
Elevation 1372
Relative position 12 MILES SE OF KLONDYKE.

Site location context

Political divisions (FIPS codes)

Graham(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buford Hill(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gila-San Carlos Reservoir(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Graham

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 007S 022E 30 NE OF SW Arizona

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -110.13706, 32.79593
ListMap

Economic information

Ore body information

  • General form IRREGULAR BANDS, STRINGERS
    Strike N 70 E
    Dip 90
    Length 91.44M
    Width 18.29M

Controls for ore emplacement

  • Striated Slip Zone Along Fault, Forming The Southern Wall Of The Fault Zone.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1951
Discoverer J. G. East

Mining district

District name Clark District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner W. M. Cater And Associates

Production statistics

  • Year 1955
    Period 1951 - 1955
    Material CONC MN
    Accuracy Accurate
    Description Cp_Grade: ^43 % Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Conc. Manganese Manganese 43wt-pct
  • Year 1955
    Period 1951 - 1955
    Material ORE MN
    Accuracy Accurate
    Description Cp_Grade: ^47.4 % Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Manganese Manganese 47wt-pct

Comments on the production information

  • ITEM ( 8 ) IS HAND SORTED ORE, ITEM ( 9 ) IS JIG CONCENTRATES. THE ENTIRE PRODUCTION FROM THE CLAIMS WAS SHIPPED TO THE GOVERNMENT PURCHASING DEPOT IN DEMING, N.M., AND TOTALED 16.5 LONG TONS OF HAND-SORTED ORE AND 220.5 LONG TONS OF JIG CONCENTRATES. THE SORTED ORE (47.4% MANGANESE) WAS MINED BY J.G. EAST, THE CONCENTRATES (43% MANGANESE) WERE SHIPPED BY RODHAM AND RUTLEDGE AND THE SABER MINING CO.

Comments on the reserve resource information

  • LESS THAN 1,000 TONS OF ORE REMAINING ( 1962 -? ).

Workings at the site

  • Type of workings Surface
    Area 0.053HA
    Overall depth 18.29M
    Overall length 30.48M
    Overall width 18.29M

Comments on development

  • 5 UNPATENTED CLAIMS. LEASED TO RODHAM AND RUTLEDGE IN 1952, LATER TO SABER MINING CO. IN 1952 A JIG PLANT WAS BUILT AND OPERATED ON AND OFF UNTIL THE MIDDLE OF 1955.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MANY NARROW QUARTZ VEINS, BUT MAJOR OCCURRANCE IS WITHIN FAULT ZONE.
Deposit 5 UNPATENTED CLAIMS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-JAN-1982 Laraba, Peter (Gest, Don E.) Arizona Bureau of Geology and Mineral Technology
Updater 18-APR-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.