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Real De Angeles

Plant in Zacatecas, Mexico with commodities 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. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10191122
MAS/MILS ID 2010610054
Record type Site
Current site name Real De Angeles
Alternate or previous names Real De Los Angeles

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -101.9004, 22.41719 (WGS84)
Elevation 2285
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
Lead Primary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Adularia Unknown
Arsenopyrite Unknown
Calcite Unknown
Fluorite Unknown
Galena Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -101.9004, 22.41719
ListMap

Economic information

Ore body information

  • Strike N15E
    Dip 45S
    Length 500M
    Width 500M
    Depth to top 6M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 STRATIFORM
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 FISSURE VEIN
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 PROPYLITIC
    Type of Wallrock Alter. #3 POTASSIC
    Strike And Dip N15E:45S
    Minimum Depth to Top 5
    Avg. Thick. Unconsol. Mat. 6
    Min. Thick. Unconsol. Mat. 5
    Date of Last Modification 920713

Comments on the geologic information

  • THE DEPOSIT OCCURS IN A FOLDED SEQUENCE OF GRAYWACKES
  • THE ORE MINERALS ARE; PYRRHOTITE, SPHALERITE, GALENA, PYRITE, ARSENOPYRITE, CHALCOPYRITE, JAMESONITE, CHALCOCITE, AND MARCASITE.

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1979
Mining method Open Pit
Year of first production 1982
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Zacatecas

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Empresa Frisco S. A. De C. V.
    Interest 100
    Home office Mexico
    Year 1993
    First year 1993
  • Type Operator
    Owner Minera Real De Angeles
    Home office Mexico
    Year 1989

Production statistics

  • Year 1989
    Period 1982-1989
    Description First Years Production: 1982-1989 10000 Mt/Day
  • Year 1991
    Description Ore Form Stockpile 16000 Mt/Day
  • Year 1992
    Description Contained Lead Produced 45000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 45000mt
  • Year 1992
    Description Current, 1992 Production Level 22000 Mt/Day
  • Year 1993
    Description Est. Contained Lead Produced 23000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 23000mt

Comments on the production information

  • LEAD-SILVER CONCENTRATE CONTAINS 3500G/MT SILVER, 866,880 GRAMS

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Measured 58500000mt ore
    Demonstrated 58500000mt ore
    Total resources 58500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1 wt-pct Lead Major 1987
    Silver Ag 74 g/mt Silver Major 1987
    Zinc Zn 0.92 wt-pct Zinc Major 1987
  • Type In-situ
    Estimate year 1987
    Indicated 100000000mt ore
    Demonstrated 100000000mt ore
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1.02 wt-pct Lead Major 1987
    Silver Ag 71 g/mt Silver Major 1987
    Zinc Zn 0.95 wt-pct Zinc Major 1987
  • Type In-situ
    Estimate year 1982
    Indicated 85000000mt ore
    Demonstrated 85000000mt ore
    Total resources 85000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1 wt-pct Lead Major 1982
    Silver Ag 74 g/mt Silver Major 1982
    Zinc Zn 0.95 wt-pct Zinc Major 1982
  • Type In-situ
    Estimate year 1982
    Indicated 85000000mt ore
    Demonstrated 85000000mt ore
    Total resources 85000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1 wt-pct Lead Major 1982
    Silver Ag 74 g/mt Silver Major 1982
    Zinc Zn 0.92 wt-pct Zinc Major 1982
  • Type In-situ
    Estimate year 1991
    Indicated 75000000mt ore
    Demonstrated 75000000mt ore
    Total resources 75000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 85 g/mt Silver Major 1991
  • Type In-situ
    Estimate year 1988
    Indicated 85000000mt ore
    Demonstrated 85000000mt ore
    Total resources 85000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1 wt-pct Lead Major 1988
    Silver Ag 75 g/mt Silver Major 1988
    Zinc Zn 0.92 wt-pct Zinc Major 1988
  • Type In-situ
    Estimate year 1993
    Measured 135000000mt ore
    Demonstrated 135000000mt ore
    Total resources 135000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 30 g/mt Silver Major 1993

Comments on the reserve resource information

  • Q1C1 INSITU RESERVE/RESOURCE ESTIMATE FORM PA&H DEPOSIT REPORT ETD. Q1C3 RESERVE/RESOURCE ESTIMATE FROM PREVIOUS U.S. BUREAU OF MINES MAFO EVALUATION. Q1C5 INSITU RESERVE/RESOPURCE DATA FORM THE 1991 PEFR.

Workings at the site

  • Type of workings Surface
    Area 25HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Percent Waste Rock 84.8
    Avg. Overburden Thickness 6
    Primary Material Cover SAND, GRAVEL
    Percentage 100
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 12
    Max. Pit Slope (degrees) 45
    Capacity 22000
    Capacity Units MT ORE/DAY
    Operating Days per Year 365
    Operating Shifts per Day 2
    Year of Information 1991

Reference information

Bibliographic references

  • Deposit

    *CRU MONITOR, LEAD, OCT. 1993, P. 7.

  • Reserve-Resource

    PEFR ABSTRACT FOR THE REAL DE ANGELES OPERATION, DEC. 1991,

  • Reserve-Resource

    GARY R. PETERSON.

  • Reserve-Resource

    MINING MAGAZINE, "MINERA REAL DE ANGELES", MARCH 1987, P199.

  • Reserve-Resource

    MINING MAGAZINE, "MINERA REAL DE ANGELES", MARCH 1987, P201.

  • Reserve-Resource

    E&MJ, "REAL DE ANGELES STARTS UP AT 10,000 ST/D", OCTOBER

  • Reserve-Resource

    1982, PAGE 91.

  • Reserve-Resource

    ORE MINERALOGY AND SILVER DISTRIBUTION AT REAL DE ANGELES,

  • Reserve-Resource

    ZACATECAS, MEXICO, PAGE 73, DATE ??.

  • Reserve-Resource

    SKILLINGS' MINING REVIEW, OCTOBER 26, 1991, "GEOLOGY OF THE

  • Reserve-Resource

    POLMETALLIC ORE DEPOSIT AT REAL DE ANGELES SILVER/LEAD/ZINC

  • Reserve-Resource

    MINE IN ZACATECAS", PAGE 7.

  • Reserve-Resource

    ECONOMIC GEOLOGY, VOL 83, # 8, DEC. 1988, "MINERALOGY, FLUID

  • Reserve-Resource

    CHARACTERISTICS, AND SILVER DISTRIBUTION AT REAL DE ANGELES

  • Reserve-Resource

    ZACATECAS, MEXICO".

  • Reserve-Resource

    CHADWICK, JOHN, "REAL DE ANGELES-A NEW FUTURE", MINING

  • Reserve-Resource

    MAGAZINE, OCT 1993, V. 169 N. 4, P. 186-189.

  • Deposit

    E/MJ, DEC. 1977, P. 128.

  • Deposit

    E/MJ, JAN. 1979, P. 105.

  • Deposit

    E/MJ, NOV. 1980, REAL DE ANGELES, P. 130-133.

  • Deposit

    FINANCIAL POST SURVEY OF MINES 1978, P. 263.

  • Deposit

    MINING ANNUAL REVIEW, JUNE 1978, P. 377.

  • Deposit

    MINING ENGINEERING, JUNE 1979, P. 639.

  • Deposit

    MINING JOURNAL, APR. 26, 1979, P. 305.

  • Deposit

    WORLD MINING, JULY 1979, REAL DE ANGELES COULD BE THIRD

  • Deposit

    LARGEST MINE, P. 79.

  • Deposit

    WORLD MINING, DEC. 1980, P. 64.

  • Deposit

    WORLD MINING, DEC. 1981, MEXICO, P. 68.

  • Deposit

    E&MJ, MAY, 1991, "MEXICAN SILVER MINING,... REAL DE ANGELES,

  • Deposit

    ... TODAY", PAGES 18 - 22.

General comments

Subject category Comment text
Deposit THIS DISTRIC HAS BEEN MINED SINCE THE 16TH CENTURY. RECENT OPERATIONS BEGAN IN 1982. *10-93: THE MINE IS REPORTED TO HAVE REOPENED AT A REDUCED RATE, ALTHOUGH THERE ARE RUMORS THAT IT HAS SHUT AGAIN. 6/27/97--CONFIRMED AS PRODUCING BY JAVIER MOYA, US EMBASSY IN MEXICO.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-JUN-97 Difrancesco, Carl A. / Buckingham, David 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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