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Casas Grandes Mn

Past Producer in Chihuahua, Mexico 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 10049399
MRDS ID MX02024
Record type Site
Current site name Casas Grandes Mn
Alternate or previous names Don Cuco
Related records 10303285

Geographic coordinates

Geographic coordinates: -107.88448, 30.38296 (WGS84)
Relative position SOUTHERN PART OF CASAS GRANDES AREA, (GONZALEZ, 1956).

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Chihuahua

Comments on the location information

  • LOCATION DISCREPANCIES: 30-29- N, 107-59- W (GUILD, 1981); 30-30- N, 108-05- W (SALAS, 1975); 30-23- N, 107-59- W (TRASK AND RODRIGUEZ, 1948).

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Analytical data

Result AVERAGE GRADE OF MAIN ORE BODY: 30% MN
Result OTHER VEINS: A25% MN.

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -107.88448, 30.38296
ListMap

Economic information

Ore body information

  • Strike N 50 W
    Dip 90

Comments on the geologic information

  • CONTINENTAL VOLCANIC TERRANE. RHYOLITES DIP 10-20 E.

Economic information about the deposit and operations

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

Mining district

District name /Casas Grandes

Production statistics

  • Year 1943
    Period -1943
    Material ORE MN
    Accuracy Estimate
    Description Cp_Grade: ^41-43% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Manganese Manganese 42wt-pct

Comments on the workings information

  • TWO ADITS AND SEVERAL CUTS ALONG MAIN ORE BODY. NUMEROUS PROSPECT PITS ON VEINS.

Reference information

Bibliographic references

  • Deposit

    GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A AND -B.

  • Deposit

    SALAS, G.P., 1975, CARTA Y PROVINCIAS METALOGENETICAS DE LA REPUBLICA MEXICANA: CONSEJO DE RECURSOS MINERALES PUBLICACION 21 E, P. 189.

  • Deposit

    GONZALEZ R., J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: XX CONGRESO GEOLOGICO INTERNACIONAL (DURANGO, MX), P. 44.

  • Deposit

    TRASK, P.D. AND RODRIGUEZ C., J. JR., 1948, MANGANESE DEPOSITS OF MEXICO: U.S.G.S. BULLETIN 954-F, P. 278-248, 293-295, TABLE 17.

  • Deposit

    CLARK, K.F., AND GOODELL, P.C., (EDS.), 1983, GEOLOGY AND MINERAL RESOURCES OF NORTH-CENTRAL CHIHUAHUA: EL PASO GEOLOGICAL SOCIETY, GUIDEBOOK, 1983 FIELD CONFERENCE, 0CT. 7-9, 1983, PLATE 1, SCALE 1:500000.

  • Deposit

    COX, D.P., AND SINGER, D.A., 1986, MINERAL DEPOSIT MODELS: USGS BULLETIN 1693, 379 P.

  • Production

    TRASK AND RODRIGUEZ, 1948.

General comments

Subject category Comment text
Deposit MN VEINS IN RHYOLITIC ROCKS. AVE. WIDTH: 3 M. STRIKE: N50W. DIP: VERTICAL. LOW GRADE. PRINCIPAL DEPOSIT (DON CUCO DEPOSIT): FOUR VERTICAL VEINS IN RHYOLITE. ORE COMPOSED OF PARTLY LEACHED BLACK CALCITE WAS MINED FROM INTERSECTION OF TWO VEINS; 150 M VEIN TRENDING E-W, 30 CM - 10 M WIDE, AND 60 M VEIN STRIKING N 75 W. TWO OTHER VEINS WITH N TREND, 50 M LONG AND 30 - 60 CM WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1988 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-1988 Leonard, Kenneth R. U.S. Geological Survey

Beyond USGS

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

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