Sombrerete

Plant in Zacatecas, Mexico with commodities Copper, Lead, Silver, Zinc
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. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10182490
MAS/MILS ID 2010610004
Record type Site
Current site name Sombrerete
Alternate or previous names San Martin

Comments on the site names

  • OTHER NAME: SOMBRERETE.ON OLD ADIT AS UNIDAD SAN MARTIN- SOMBRERETE.

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -103.73515, 23.44874 (WGS84)
Location accuracy 500(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 Zacatecas

Commodities

Commodity Importance
Copper Primary
Lead Secondary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Anglesite Unknown
Argentite Unknown
Arsenopyrite Unknown
Azurite Unknown
Bornite Unknown
Calcite Unknown
Cerussite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Cuprite Unknown
Fluorite Unknown
Galena Unknown
Garnet Unknown
Limonite Unknown
Malachite Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Scheelite Unknown
Silver Unknown
Smithsonite Unknown
Sphalerite Unknown
Tetrahedrite Unknown
Tremolite Unknown

Nearby scientific data

Ore Body (1) -103.73515, 23.44874

Economic information

Ore body information

  • Thickness 20M
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 MASSIVE
    Type of Orebody #3 DISSEMINATED
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin OXIDATION
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 CARBONATE SILIC
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N45E:
    Minimum Depth to Top 0
    Date of Last Modification 830713

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1555
Mining method Filled Stopes - Other Filled Stope Methods
Year of first production 1951
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Sombrerete

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 1979
    Description 363599 Mtpy
  • Year 1980
    Description 363599 Mtpy
  • Year 1981
    Description 417000 Mtpy

Comments on the production information

  • PRODUCT A IS A ZINC CONC. WITH CU-PB-AG PRODUCT B IS A COPPER CONC. WITH ZN-PB-AG
  • MOST CONTAINED SILVER IS IN THE COPPER-LEAD CONCENTRATE.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 21000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.3 wt-pct Zinc Major 1980
    Copper Cu 1.24 wt-pct Copper Major 1980
    Lead Pb 0.55 wt-pct Lead Minor 1980
    Silver Ag 146 g/mt Silver Major 1980

Comments on the reserve resource information

  • DATA FROM PAH REPORT.
  • EXACT RESERVE AT 75 PCT = 18,389,023 MT EXACT RESERVE AT 50 PCT = 21,045,335 MT

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OTHER FILLED STOPE METHODS
    Percent Recovery 100
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Number of Shafts 2
    Number of Inclines 1
    1st Condition of Workings UNKNOWN
    Capacity 6800
    Capacity Units MT ORE/DAY
    Operating Days per Year 274
    Year of Information 1989

Comments on other economic factors

  • THERE ARE ACTUALLY TWO CONCENTRATORS WITH CAPACITIES OF 2400 MT AND 4400 MT.

Reference information

Bibliographic references

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE, 1993,

  • Reserve-Resource

    P. 49.

  • Deposit

    INDUSTRIAL MINERA MEXICO S.A. HEAD OFFICE:BAJA CALIFORNIA 20

  • Deposit

    MEXICO 7,D.F. MEXICO

  • Deposit

    MINE OFFICE: UNIDAD SAN MARTIN, SOMBRERETE, ZACATECAS,MEX

  • Deposit

    RTZ MINING COST ANALYSIS SYSTEM

  • Deposit

    COMISION RECURSOS NATURALES NO RENOVABLES, BOLETIN 73, 1973.

  • Deposit

    EMJ 1975 INTERNATIONAL DIRECTORYOF MINING

General comments

Subject category Comment text
Deposit AUG76-RCO 040- THE MINE IS LOCATED 2 KM FROM SAN MARTIN V AND 13 KM FROM SOMBRERETE TOWN. IT IS 138 KM ESE FROM.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAR-1997 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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