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  3. Mineral Resource Data System (MRDS)

Bob and Junior Mine

Past Producer in Holguin, Cuba with commodity Chromium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10061372
MRDS ID TC34242
Record type Site
Current site name Bob and Junior Mine

Geographic coordinates

Geographic coordinates: -76.2261, 20.95278 (WGS84)
Location accuracy 10000(meters)
Relative position ABOUT 11 KM NE OF HOLGUIN

Site location context

Political divisions (FIPS codes)

Holguin(province)

Cuba(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Cuba Holguin

Comments on the location information

  • WAS IN OLD PROVINCE OF ORIENTE

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Mineral occurrence model information

Model code 15
USGS model code 8a
Deposit model name Podiform chromite (minor)
Mark3 model number none

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -76.2261, 20.95278
ListMap

Economic information

Ore body information

  • General form LENSES
    Strike N40E
    Dip 70W
    Thickness 0.91M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Holguin District

Ownership information

  • Type Owner-Operator
    Owner Silva, J. A.
    First year 1940

Production statistics

  • Year 1940
    Period 1918-1940
    Material ORE
    Description Cp_Grade: ^36-37% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Cr2O3 Chromium Chromium 37wt-pct

Comments on the production information

  • PRODUCTION FROM BOB AND JUNIOR, ANGELITA SILVA, CLEMENCIA AND BAD LUCK DENOUNCEMENTS; ON BOB AND JUNIOR: 100 TONS PRODUCED FROM 1 LENS, 75 TONS FROM SOUTHWESTERN LENS.

Comments on the workings information

  • CUTS AND TRENCHES, LARGEST 50 FT WIDE, 25 FT DEEP

Reference information

Bibliographic references

  • Deposit

    SANTOS, E., PENALVER, L.L., KRIVTSOV, A.I., AND TIJOMIROV, V.A., EDS., 1988, MAPA DE YACIMIENTOS MINERALES METALICOS Y AGUAS MINERALES DE LA REPUBLICA DE CUBA: MINISTERIO DE LA INDUSTRIA BASICA, 1:500,000 SCALE, 5 SHEETS.

  • Deposit

    THAYER, T.P., 1942, CHROME RESOURCES OF CUBA: U.S. GEOLOGICAL SURVEY BULLETIN 935-A, 74 P.

  • Other Database

    CIMRI

  • Production

    THAYER (1942)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1992 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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