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  3. Mineral Resource Data System (MRDS)

El Choro

Past Producer in Sonora, Mexico with commodity Iron
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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. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10048896
MRDS ID MX00070
Record type Site
Current site name El Choro
Alternate or previous names El Chorro
Related records 10303556

Geographic coordinates

Geographic coordinates: -111.15067, 29.3627 (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

Comments on the location information

  • ESTIMATED TO NEAREST 15 SECONDS.

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • 5.50% MAG, 43.80% FE SOL, 0.40% FE++, 0.289% MGO, 0.416% TIO2, 0.052% CU.

Materials information

Materials Type of material
Goethite Ore
Hematite Ore
Calcite Gangue
Chlorite Gangue
Dolomite Gangue
Epidote Gangue
Garnet Gangue
Plagioclase Gangue
Quartz Gangue

Analytical data

Result 44.00% TOTAL FE, 21.40% SILICA, 0.022% TOTAL S, 1.75% CAO, 1.144% P, 1.983% MN
Result CABRERA, ET.AL., 1983, TABLE IV.

Mineral occurrence model information

Model code 62
USGS model code 18d
Deposit model name Skarn Fe

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -111.15067, 29.3627
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Roof Pendant

Comments on the geologic information

  • GEOLOGIC ENVIRONMENT: PREDOMINANTLY SEDIMENTARY ROCKS OF MIOGEOSYNCLINAL ORIGIN. ASSOCIATED GRANITIC INTRUSIVE(S).

Economic information about the deposit and operations

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

Mining district

District name Hermosillo

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 44 wt-pct Iron Major 1983

Comments on the reserve resource information

  • INFERRED RESERVES.

Reference information

Bibliographic references

  • Deposit

    GUILD, PHILIP W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: LISTING OF DEPOSITS: U.S. GEOLOGICAL SURVEY, GEOLOGICAL SURVEY CIRCULAR 858-B, 72 P..

  • Deposit

    PEREZ SEGURA, EFREN, 1985, CARTA METALOGENETICA DE SONORA 1:250000 UNA INTERPRETACION DE LA METALOGENIA DE SONORA: UNIV. OF SONORA, DEPT. OF GEOL., HERMOSILLO, MEXICO, 66 P.

  • Deposit

    SALAS, G.P., 1975, CARTA Y PROVINCIAS METALOGENETICAS DE LA REPUBLICA MEXICANA: CONSEJO DE RECURSOS MINERALES PUBLICACION 21 E, P. 188.

  • Deposit

    CABRERA F., F.J., VEGA G., E.L., AND PEREZ S., E., 1983, LOS RECURSOS MINERALES DE FIERRO EN SONORA, EVALUACION GEOLOGICA REGIONAL: GOBIERNO DEL ESTADO DE SONORA, DIRECCION DE MINERIA, GEOLOGIA, Y ENERGETICOS, HERMOSILLO, SONORA, 64 P.

  • Reserve-Resource

    CABRERA, ET.AL., 1983, TABLE VI.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Staude, John-Mark G. (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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