Las Antillas

Past Producer in Sonora, Mexico with commodity Manganese
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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  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 10048883
MRDS ID MX00055
Record type Site
Current site name Las Antillas
Alternate or previous names Punto Rico, La Cubana
Related records 10182770

Geographic coordinates

Geographic coordinates: -111.02985, 30.66683 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Sonora

Commodities

Commodity Importance
Manganese Critical Primary

Comments on the commodity information

  • ORE NEEDED TO BE CAREFULLY SORTED TO BRING GRADE UP TO 40%.

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Analytical data

Result 20-25% MN, MAX. 35%

Mineral occurrence model information

Model code 156
USGS model code 25g
Deposit model name Epithermal Mn

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -111.02985, 30.66683

Economic information

Ore body information

  • Strike N 50 W
    Dip 65 NE
    Thickness 1.2M
    Length 575M
    Width 65M
    Depth to bottom 65M

Controls for ore emplacement

  • Fault Controlled.

Economic information about the deposit and operations

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

Mining district

District name Cananea/Magdalena

Ownership information

  • Type Owner
    Owner Compania Minera Mexicana, S. A.
    First year 1960

Production statistics

  • Year 1943
    Period -1943
    Material ORE MN
    Accuracy Estimate
    Description Cp_Grade: ^40% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 40wt-pct
  • Year 1960
    Period -1960
    Material ORE MN
    Accuracy Estimate
    Description Cp_Grade: ^23% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 23wt-pct

Comments on the production information

  • PRODUCTION RATE IN 1960 WAS 7 TPD OF MATERIAL GRADING 42% MN.

Reserves and resources

  • Type In-situ
    Estimate year 1960
    Total resources 46000mt ore
    Commodity Subtype Grade units Group Importance Year
    Manganese Mn 15 wt-pct Manganese Major 1960

Comments on the reserve resource information

  • ITEM 1: POSITIVE ORE. ITEM 2: PROBABLE ORE. ITEM 3: POSSIBLE ORE.

Workings at the site

  • Type of workings Underground
    Area 21HA
    Overall depth 45M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT IN SHEAR ZONE BETWEEN GNEISS AND GRANITE.
Deposit LA CUBANA DEPOSIT DESCRIBED BY TRASK AND RODRIGUEZ (1948) AS A FISSURE DEPOSIT BETWEEN LIMESTONE AND GNEISS COMPOSED PRIMARILY OF BLACK CALCITE. ; INFO.SRC : 1 PUB

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Staude, John-Mark G. (Page, Norman J.) U.S. Geological Survey
Updater 01-MAY-1988 Leonard, Kenneth R. U.S. Geological Survey

Beyond USGS

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