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Cerro Morro Mine

Past Producer in San Luis, Argentina 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. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10105177
MRDS ID TC34304
Record type Site
Current site name Cerro Morro Mine
Alternate or previous names Cerro Morro No. 1, El Morro No. 1, Mina Don Rose Claim, Mina La Buyi Claim, Demasia Nelly Claim, Estaca Oeste Claim, Mina La Prudencia Claim, Demasia Don Isaac Claim, Alto Frio Claim, Alto De Los Metales Claim

Geographic coordinates

Geographic coordinates: -65.42353, -33.40633 (WGS84)
Relative position ABOUT 23 KM E OF LA TOMA

Site location context

Political divisions (FIPS codes)

San Luis(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina San Luis

Comments on the location information

  • ON WESTERN PIEDMONT OF CERRO DEL MORRO; ALL CLAIMS ARE ADJOINING

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore
Actinolite Gangue
Beryl Gangue
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Fluorite Gangue
Muscovite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 46
USGS model code 15a
Deposit model name W veins

Nearby scientific data

(1) -65.42353, -33.40633
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Economic information

Geologic structures

Type of structure Local
Structure description Folding And Faulting

Ore body information

  • Thickness 5M
    Length 3000M
    Width 500M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1918
Year of first production 1937

Ownership information

  • Type Owner-Operator
    Owner Horacio Perez Mendoza
    First year 1937
    Last year 1945

Production statistics

  • Year 1942
    Period 1941-1942
    Material WO3 CON
    Description Cp_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct

Comments on the production information

  • MILLED ORE AVERAGED 0.8% WO3, MINEABLE WIDTHS AVERAGE NO MORE THAN 0.5% WO3 OVER 0.5 M.

Comments on the reserve resource information

  • 2 YEARS AT 1942 RATE.

Comments on the workings information

  • SHAFT 80 M DEEP, WORKINGS USUALLY NO DEEPER THAN 10-12 M, SEVERAL OTHER SHALLOW SHAFTS

Comments on development

  • MILL.CAP: 500 T/MO (1942-1943) ; ECON.COM: JAW CRUSHER, BALL MILL, TROMMEL AND CONCENTRATING TABLES

Reference information

Bibliographic references

  • Deposit

    SMITH, W.C., AND GONZALEZ, E.M., 1947, TUNGSTEN INVESTIGATIONS IN THE REPUBLIC OF ARGENTINA, 1942-1943: U.S. GEOLOGICAL SURVEY BULLETIN 954-A, P. 2-12

  • Other Database

    CIMRI

  • Production

    SMITH AND GONZALEZ (1947)

General comments

Subject category Comment text
Deposit WIDTH RANGES FROM 200-500 METERS. LIMESTONES CONTAIN DISSEMINATED SCHEELITE (MATERIAL MINED), THIN MICAEOUS QUARTZ VEINS ALSO CONTAIN SCHEELITE; QUARTZ VEINS ARE LOCALLY UP TO 40 CM THICK, MOST UNDER 6 CM, LIMESTONE LENSES 5-25 M THICK, LENGTH AND WIDTH SIZE OF AREA.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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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