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  3. Mineral Resource Data System (MRDS)

Santa Eulalia

Producer in Chihuahua, Mexico with commodities Copper, Lead, Silver, Zinc
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10303197
MAS/MILS ID 2010110013
Record type Site
Current site name Santa Eulalia
Alternate or previous names Campo Oriente - San Antonio, Campo Poniente - Buena Tierra &, Potosi

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.74382, 28.62855 (WGS84)
Elevation 1900
Location accuracy 1000(meters)

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

Commodities

Commodity Importance
Copper Secondary
Lead Primary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Argentite Unknown
Cassiterite Unknown
Galena Unknown
Magnetite Unknown

Nearby scientific data

Ore Body (1) -105.74382, 28.62855
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 OTHER
    Shape of Orebody #2 PIPELIKE
    Shape of Orebody #3 MASSIVE
    Primary mode of Origin UNKNOWN
    Secondary mode of Origin MAGMATIC DIFFER
    Primary Ore Control BEDDING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 CARBONATE SILIC
    Type of Wallrock Alter. #3 PYRITIZATION
    Date of Last Modification 830819

Comments on the geologic information

  • ORE DEPOSITION AT SANTO DIMINGO IS LIMESTONE REPLACEMEMT. ORE DEPOSITION AT SAN ANTONIO IS CONTACT METAMORPHIC

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Filled Stopes - Inclined Cut and Fill
Year of first production 1591
Milling method Flotation

Mining district

District name Aquiles Serdan

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Industrial Minera Mexico, S. A. (Immsa)
    Interest 100
    Home office Mexico
    Year 1989

Production statistics

  • Year 1978
    Description 150000 Mtpy
  • Year 1979
    Description 252000 Mtpy
  • Year 1980
    Description 300000 Mtpy

Comments on the production information

  • SILVER IS CONTAINED IN THE ZN AND PB CONC. MILL CONC. GRADE IS 100%. MILL RECOVERY IS 62%.

Reserves and resources

  • Type In-situ
    Estimate year 0
    Measured 1027000mt ore
    Demonstrated 1027000mt ore
    Total resources 1027000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe2O3 16 wt-pct Iron 0
    Silver Ag 114 g/mt Silver Major 0
    Lead Pb 2.3999 wt-pct Lead Major 0
    Zinc Zn 9.9 wt-pct Zinc Major 0
  • Type In-situ
    Estimate year 0
    Indicated 1212000mt ore
    Demonstrated 1212000mt ore
    Total resources 1212000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 127 g/mt Silver Major 0
    Lead Pb 3 wt-pct Lead Major 0
    Zinc Zn 9.5 wt-pct Zinc Major 0
  • Type In-situ
    Estimate year 0
    Measured 2000000mt ore
    Demonstrated 2000000mt ore
    Total resources 2000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 108 g/mt Silver Major 0
    Lead Pb 2.8 wt-pct Lead Major 0
    Zinc Zn 7.1 wt-pct Zinc Major 0

Comments on the reserve resource information

  • ON OLD ADIT AS UNIDAD SANTA EVALIA. DATA COMBINED W/ OTHER MINES ON BH.
  • EXACT QUANTITY IS 4,426,684 MT ORE FROM TWO DEPOSITS: SANTO DOMINGO DEPOSIT AND SAN ANTONIO DEPOSIT
  • DATA FROM SOC. ECON. GEOL. VOL.3 1987

Workings at the site

  • Type of workings Underground
    Overall depth 910M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method INCLINED CUT AND FILL 10-65
    Percent Recovery 100
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Number of Shafts 2
    1st Condition of Workings UNKNOWN
    Capacity 1000
    Capacity Units MT ORE/DAY
    Operating Days per Year 260
    Year of Information 1989

Reference information

Bibliographic references

  • Deposit

    OPERACIONES DE LA MINA SAN ANTONIO, ENG.C.PEREZ CH. 1973

  • Deposit

    EMJ 1975

  • Deposit

    LOS RECURSOS NATURALES NO RENOVABLES DE MEXICO CNRNNR BOL 7

  • Deposit

    PRIVATE REPORT-1973

  • Deposit

    HEWITT, W.P., GEOLOGY AND MINERALIZATION OF THE MAIN MINERAL

  • Deposit

    ZONE OF THE SANTA EULALIA DISTRICT, CHIHUAHUA, MEXICO,

  • Deposit

    AIME TRANS., JUNE 1968, PP. 228-260.

  • Deposit

    KIXON, C.V., ATLAS OF ECONOMIC MINERAL DEPOSITS, 1979,

  • Deposit

    CORNELL UNIV. PRESS, PP. 92-93.

  • Deposit

    SYNER, C.M., AND HIRTZEL, C.M., SANTA EULALIA, ASARCO NEWS

  • Deposit

    LETTER, VOL. 3, NO. 1, 1950.

  • Deposit

    E/MJ, NOV. 1980, P. 110.

  • Deposit

    E/MJ DIRECTORY OF MINING, 1980 P. 319.

  • Deposit

    MINING CLUB OF THE SOUTHWEST, EXCURSION GUIDEBOOK TO MINES

  • Deposit

    OF MEXICO, OCT. 31- NOV. 14, 1981.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAR-97 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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

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