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Santa Eulalia Mines

Producer in Chihuahua, Mexico with commodities Zinc, Lead, Silver, Tin, Vanadium
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Production statistics
  18. Reserves and resources
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10111552
MRDS ID W018928
Record type Site
Current site name Santa Eulalia Mines

Geographic coordinates

Geographic coordinates: -105.75052, 28.56692 (WGS84)
Elevation 2000
Relative position 22 KM ESE OF CITY OF CHIHUAHUA.

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

  • EAST AND WEST CAMPS ARE ABOUT 2 KM APART

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Silver Primary
Tin Critical Secondary
Vanadium Critical Secondary

Comments on the commodity information

  • TIN IS PRESENT ONLY IN THE EAST CAMP

Materials information

Materials Type of material
Cassiterite Ore
Galena Ore
Silver Ore
Sphalerite Ore
Chalcopyrite Gangue
Fluorite Gangue
Pyrite Gangue
Pyrrhotite Gangue

Alteration

  • (Local) Oxidation Of Surface Ore

Analytical data

Result 1974 ORE 8.3% ZN, 2.3% PB, 110 G/MT AG

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Limestone
    Rock description Limestone
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Early Cretaceous

Nearby scientific data

(1) -105.75052, 28.56692
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Reg.Struct: Gently Folded Dome Structure

Ore body information

  • General form MANTOS CHIMNEYS, VEINS

Controls for ore emplacement

  • Favorable Limestone Horizons, And At Intrusive Contacts.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1652
Year of first production 1707

Mining district

District name Santa Eulalia District

Ownership information

  • Type Owner-Operator
    Owner Industrial Minera Mexico, S. A. (Immsa)

Production statistics

  • Year 1974
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^8.3 % Zn, 2.3 % Pb, 110 G/Mt Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 110g/mt
    Ore Lead Lead 2wt-pct
    Ore Zinc Zinc 8wt-pct

Comments on the production information

  • 90% OF THE PRODUCTION COMES FROM THE WEST CAMP.

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Total resources 1210000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 9.5 wt-pct Zinc Major 1974
    Lead Pb 3 wt-pct Lead Major 1974
    Silver Ag 127 g/mt Silver Major 1974

Comments on the reserve resource information

  • AS OF 1968, WEST CAMP WAS APPROACHING EXHAUSTION.

Comments on the workings information

  • WEST CAMP ORE BODIES HAVE BEEN EXPLOITED THROUGH A VERTICAL DEPTH OF 945 M.

Comments on development

  • MILL.CAP: 164 MET TONS ; ECON.YEAR: 1974 ; ECON.COM: 450 MTPD MILL.

Reference information

Bibliographic references

  • Deposit

    HEWITT, W. P., 1968, GEOLOGY AND MINERALIZATION OF THE MAIN MINERAL ZONE OF THE SANTA EULALIA DISTRICT, CHIHUAHUA, MEXICO; AIME TRANS. V 241, P 229-260

  • Deposit

    HORCASITAS, A. S., SNOW, W. E., 1956, GEOLOGICAL RESUME OF THE SANTA EULALIA DISTRICT, CHIHUAHUA, MEXICO; INTL. GEOL. CONG. 20TH, GUIDEBOOK A-2 (ENG. TRANS.) P. 37 - 44

  • Production

    HEWITT, W. P., 1968, SANTA EULALIA DIST, AIME TRANS. 241 P. 228. E/MJ INTL. DIRECTORY 1975, P.

  • Reserve-Resource

    E/MJ INTL. DIRECTORY 1975, P.

General comments

Subject category Comment text
Deposit WEST CAMP ORE ZONE IS ABOUT 4 KM LONG, 2 KM WIDE, UP TO 1000 M DEEP. EAST CAMP ORE BODIES OCCUR IN AN AREA ABOUT 2.5 KM LONG, 1 KM WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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