Cerro Blanco

Past Producer in Sonora, Mexico with commodity Iron
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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10048876
MRDS ID MX00047
Record type Site
Current site name Cerro Blanco
Related records 10230242

Geographic coordinates

Geographic coordinates: -110.19232, 29.5377 (WGS84)
Relative position 5 KM NW OF MAZOCAHUI.

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.; PREVIOUS QUAD DESIGNATION = HERMOSILLO 1:250000

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • 71.75% MAG, 9.60% FE ++, 7.855% MGO, .520% TIO2, 0.052% CU.

Materials information

Materials Type of material
Goethite Ore
Hematite Ore
Magnetite Ore
Chlorite Gangue
Epidote Gangue
Garnet Gangue
Pyrite Gangue
Quartz Gangue
Serpentine Gangue
Sphene Gangue

Analytical data

Result 61.00% TOTAL FE, 7.20% SILICA, 0.114% TOTAL S, 0.10% CAO, 0.048% P, 0.0195% 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 Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Paleocene
    Chronological age 57
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -110.19232, 29.5377

Economic information

Geologic structures

Type of structure Regional
Structure description Roof Pendant

Ore body information

  • General form TABULAR
    Length 150M
    Width 10M

Comments on the geologic information

  • REGIONAL GEOLOGY: ROOF PENDANTS OF PALEOZOIC MARINE LIMESTONE ON GRANITE BATHOLITH. IGNEOUS BASEMENT IS CROSSCUT BY APLITES, PEGMATITES, AND LAMPROPHYRES.

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 322500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 61 wt-pct Iron Major 1983

Comments on the reserve resource information

  • INFERRED RESERVES ASSUMING DEPTH OF 50 M.

Reference information

Bibliographic references

  • 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

    BRACHO, F. V., 1960, YACIMIENTOS DE ESTANO EN LA SIERRA DE CHAPULTEPEC, ZAC.: MEXICO CONSEJO DE RECURSOS NATURALES NO RENOVABLES, BULL. 48, 116 P.

  • 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.

General comments

Subject category Comment text
Deposit PYROXENE HORNFELS AT BASE OF LIMESTONE ROOF PENDANT OVERLYING GRANITE. ORE: 70-80% MAGNETITE, 10-20% HEMATITE, 10% GOETHITE. TABULAR OREBODY 10 M WIDE BY 150 M LONG.

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.