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  3. Mineral Resource Data System (MRDS)

San Federico

Past Producer in Sonora, Mexico with commodity Antimony
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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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10048959
MRDS ID MX00147
Record type Site
Current site name San Federico
Related records 10182997

Geographic coordinates

Geographic coordinates: -112.58961, 30.73237 (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

  • ESTIMATE TO WITHIN 0.5 KM.

Commodities

Commodity Importance
Antimony Critical Primary

Materials information

Materials Type of material
Antimony Ore

Mineral occurrence model information

Model code 180
USGS model code 27d
Deposit model name Simple Sb (veins, pods, etc)

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Monos Formation
    Rock description Monos Formation

Nearby scientific data

(1) -112.58961, 30.73237
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Vein Occupies Thrust Fault Of Small Displacement. Cross-Cut By Four Small Faults, None Of Which Was Important In Localizing Ore.

Ore body information

  • Strike N 55-90 W
    Dip 30-55 S
    Thickness 0.02M
    Length 70M
    Width 19M

Comments on the geologic information

  • AT OUTCROP, VEIN IS IN DIORITE. CONTACT BETWEEN DIORITE AND SANDSTONE INTERSECTS HANGING WALL OF VEIN AT A DISTANCE OF 4 METERS DOWN DIP. SAME CONTACT INTERSECTS FOOTWALL ABOUT 3 METERS FARTHER DOWN DIP.

Economic information about the deposit and operations

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

Mining district

District name El Antimonio/La Montana

Production statistics

  • Year 1943
    Period -1943
    Material ORE SB
    Accuracy Estimate
    Description Cp_Grade: ^40% Sb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Lead Lead 40wt-pct

Comments on the production information

  • SHOULD BE CONSIDERED A MAXIMUM ESTIMATE.

Workings at the site

  • Type of workings Unknown
    Overall depth 19M

Comments on the workings information

  • DEEPEST WORKINGS: 19 M BELOW SURFACE.

Comments on development

  • MINED INTERMITTENTLY SINCE EARLY DAYS OF THE DISTRICT. INACTIVE IN 1943.

Reference information

Bibliographic references

  • Deposit

    WHITE, D.E. AND GUIZA, REINALDO, 1949, ANTIMONY DEPOSITS OF EL ANTIMONIO DISTRICT, SONORA, MEXICO: U.S. GEOLOGICAL SURVEY BULLETIN 962-B, P.84, 106-107, PLATE 15

  • Production

    WHITE AND GUIZA, 1949.

General comments

Subject category Comment text
Deposit VEIN GENERALLY 10-20 CM WIDE WITH KNOWN STRIKE LENGTH OF 70 M. CONSISTS OF COARSE-GRAINED QUARTZ ENCLOSING MINOR AMOUNTS OF ANTIMONY OXIDE. MINED OUT PORTIONS OF VEIN MAY HAVE BEEN WIDER AND OF HIGHER GRADE.
Deposit NUMEROUS OTHER SMALL VEINS OCCUR IN DIORITE IN THE VICINITY OF SAN FEDERICO VEIN, BUT NONE WORKED TO A DEPTH OF MORE THAN A FEW METERS. ; INFO.SRC : 1 PUB

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1987 Leonard, Kenneth R. (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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