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  3. Mineral Resource Data System (MRDS)

Unica

Past Producer in Granma, Cuba 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. 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. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10061327
MRDS ID TC34190
Record type Site
Current site name Unica
Alternate or previous names La Unica

Geographic coordinates

Geographic coordinates: -76.35832, 20.14116 (WGS84)
Location accuracy 10000(meters)
Relative position ABOUT 1 KM SSW OF LOS NEGROS, ON SOUTH SIDE OF RIO SECO

Site location context

Political divisions (FIPS codes)

Granma(province)

Cuba(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Cuba Granma

Comments on the location information

  • LOCATION FROM SANTOS ET AL (1988); WAS IN OLD PROVINCE OF ORIENTE

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Braunite Ore
Manganite Ore
Psilomelane Ore
Pyrolusite Ore
Calcite Gangue
Hematite Gangue
Jasper Gangue

Mineral occurrence model information

Model code 99
USGS model code 24c.2
Deposit model name Volcanogenic Mn, Cuban

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name El Cobre Group, Charco Redondo Member
    Rock description El Cobre Group, Charco Redondo Member
    Stratigraphic age (youngest) Eocene

Nearby scientific data

(1) -76.35832, 20.14116
ListMap

Economic information

Ore body information

  • General form FLATTENED OR ROUGHLY TABULAR PIPE
    Strike E
    Dip S
    Plunge N10-15E, N50E
    Thickness 14M
    Length 71M
    Width 35M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1914

Mining district

District name Los Negros District

Production statistics

  • Year 1944
    Period 1939-1944
    Material ORE
    Description Cp_Grade: ^43% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Manganese Manganese 43wt-pct

Comments on the reserve resource information

  • PRACTICALLY MINED OUT BY 1944; RESERVES NEGLIGIBLE, LITTLE ORE FOUND IN PROSPECTING 1940-1945 ON THE UNICA CLAIM.

Comments on the workings information

  • ADIT, HAULAGE ADIT, STOPE BETWEEN 980 M AND 1130 M.

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

    SIMONS, F.S., AND STRACZEK, J.A., 1958, GEOLOGY OF THE MANGANESE DEPOSITS OF CUBA: U.S. GEOLOGICAL SURVEY BULLETIN 1057, P. 233-235.

  • Other Database

    CIMRI

  • Production

    SIMONS AND STRACZEK (1958)

General comments

Subject category Comment text
Deposit SHALLOW PLUNGE NEAR SURFACE STEEPENS AT DEPTH; ESTIMATED DIMENSIONS GIVEN; HEMATITE AND JASPER OCCUR ALONG THE BORDER OF THE MN-OXIDE BODY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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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