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Graciela-Juanita Mines

Producer in Huanuco, Peru with commodities Barium-Barite, Lead, Zinc
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Mineral rights holdings
  11. Ownership information
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10133190
MAS/MILS ID 3330170011
Record type Site
Current site name Graciela-Juanita Mines
Alternate or previous names Graciela, Juanita

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -76.63303, -11.83117 (WGS84)
Elevation 750
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Huanuco(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Huanuco

Commodities

Commodity Importance
Barium-Barite Critical Primary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Barite Unknown
Calcite Unknown
Galena Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -76.63303, -11.83117
ListMap

Economic information

Ore body information

  • Strike N45W
    Dip 60S
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 STRATABOUND
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FOLDING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. UNKNOWN
    Strike And Dip N45W:60S
    Minimum Depth to Top 0
    Date of Last Modification 850619

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Producer
Commodity type Both
Significant No
Year of first production 1968

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner
    Owner Perubar, S. A., Lima, Peru (Sub Of Nl Baroid, Houston)
    Interest 67
    Home office Texas
    Year 1983
  • Type Owner-Operator
    Owner Mine Workers
    Interest 33
    Home office Peru
    Year 1983

Production statistics

  • Year 1968
    Description 33900 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 33900mt 85wt-pct
  • Year 1969
    Description 140838 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 140838mt 85wt-pct
  • Year 1970
    Description 236326 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 236326mt 85wt-pct
  • Year 1971
    Description 102570 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 102570mt 85wt-pct
  • Year 1972
    Description 193532 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 193532mt 85wt-pct
  • Year 1973
    Description 333502 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 333502mt 85wt-pct
  • Year 1974
    Description 357466 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 357466mt 85wt-pct
  • Year 1975
    Description 328140 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 328140mt 85wt-pct
  • Year 1976
    Description 275000 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 275000mt 85wt-pct
  • Year 1977
    Description 285000 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 285000mt 85wt-pct
  • Year 1978
    Description 290000 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 290000mt 85wt-pct
  • Year 1979
    Description 294900 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 294900mt 85wt-pct
  • Year 1980
    Description 322700 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 322700mt 85wt-pct
  • Year 1981
    Description 300500 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 300500mt 85wt-pct
  • Year 1982
    Description 278290 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 278290mt 85wt-pct
  • Year 1983
    Description 139000 Mt Ore Mined - 85% Baso4
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major BaSO4 Barium-Barite Barium 139000mt 85wt-pct

Comments on the production information

  • INFORMATION PROVIDED FOR THIS EVALUATION FROM GRACIELA- JUANITA MINES FOR BARITE FOREIGN DEPOSIT PROFILE REPORT BY BROWN & ROOT DEVELOPMENT, INC, HOUSTON, TEXAS, SEP 8, 1983 FOR USBM CONTRACT J0225017. APPROXIMATELY 65% OF ORE FROM GRACIELA MINE AND 80% OF ORE FROM JUANTA MINE IS HIGH-QUALITY DIRECT SHIP ORE.

Comments on the reserve resource information

  • M9C4=M1C1; PROVEN RES = 90 PROB. CAT; PROV. + INDICATED = 75% PROB CAT PROV + IND + INFERRED RES = 50% PROB. CAT.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 0
    Hardness of Ore M-HARD ROCKS
    Capacity 672
    Capacity Units MT ORE/DAY
    Unit Production Cost 12.5
    Units of Production $/MT ORE
    Operating Days per Year 143
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 0
    Hardness of Ore M-HARD ROCKS
    Capacity 672
    Capacity Units MT ORE/DAY
    Unit Production Cost 12.5
    Units of Production $/MT ORE
    Operating Days per Year 294
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Percent Recovery 60
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics UNKNOWN
    Rock Support Chars. SUPPORTING
    Mine Support Chars. UNKNOWN
    Length of Inclines (m) 310
    Slope of Inclines 6
    Number of Inclines 1
    1st Condition of Workings OPEN
    Capacity 300
    Capacity Units MT ORE/DAY
    Unit Production Cost 14.5
    Units of Production $/MT ORE
    Operating Days per Year 143
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Percent Recovery 60
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics UNKNOWN
    Rock Support Chars. SUPPORTING
    Mine Support Chars. UNKNOWN
    Length of Inclines (m) 310
    Slope of Inclines 6
    Number of Inclines 1
    1st Condition of Workings OPEN
    Capacity 300
    Capacity Units MT ORE/DAY
    Unit Production Cost 14.5
    Units of Production $/MT ORE
    Operating Days per Year 294
    Operating Shifts per Day 2
    Year of Information 1983

Comments on other economic factors

  • M9C4=M1C1 MATRIX 9, COL. 4 = MATRIX 1, COL 1. PROVEN RES = 90 PROB. CAT; PROV. + INDICATED = 75% PROB CAT PROV + IND + INFERRED RES = 50% PROB. CAT. SURFACE MINE REC S1 IS BASED ON ACTUAL PRODUCTION GIVEN FOR 1983: 139,000 MT X 69%(PROPORTION FROM OPEN PIT MINE, GRACIELA) DIVIDED BY DAILY PRODUCTION EQUALS 143 OP DAYS. MINING IS ACCOMPLISHED BY CONTRACT WORK. NO WASTE MINED, BUT THERE IS MINOR DILUTION (5%). MINE RECOVERY = 90% SURFACE MINE REC S2 IS BASED ON 672MTPB ORE AND 294 OP DAYS

Reference information

General comments

Subject category Comment text
Deposit INFORMATION PROVIDED FOR THIS EVALUATION FROM GRACIELA- JUANITA MINES FOR BARITE FOREIGN DEPOSIT PROFILE REPORT BY BROWN & ROOT DEVELOPMENT, INC, HOUSTON, TEXAS, SEP 8, 1983 FOR USBM CONTRACT J0225017.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-SEP-85 Hite, Alan G. 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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