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Rosa De Oro

Producer in Potosi, Bolivia with commodity Antimony
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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. Ownership information
  11. Production statistics
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Reporter information

Geologic information

Identification information

Deposit ID 10158477
MAS/MILS ID 3350350059
Record type Site
Current site name Rosa De Oro
Alternate or previous names Rosa De Pro, Empresa Minera Bernal

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -66.11614, -21.68085 (WGS84)
Elevation 4110
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi

Commodities

Commodity Importance
Antimony Critical Primary

Materials information

Materials Type of material
Stibnite Unknown

Nearby scientific data

Ore Body (1) -66.11614, -21.68085
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Economic information

Ore body information

  • Strike N05W
    Dip 90S
    Thickness 2M
    Length 100M
    Width 35M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Strike And Dip N05W:90S
    Date of Last Modification 850813

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1905
Mining method Filled Stopes - Horiz Cut and Fill W/Waste Rock
Year of first production 1905
Milling method Flotation

Ownership information

  • Type Owner-Operator
    Owner Empresa Minera Bernal Hermanos
    Interest 100
    Home office Bolivia
    Year 1982

Production statistics

  • Year 1976
    Description Antimony Ore 360 Mt Of Antimony Metal/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 360mt
  • Year 1977
    Description Antimony Ore 340 Mt Of Antimony Metal/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 340mt
  • Year 1978
    Description Antimony Ore 485 Mt Of Antimony Metal/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 485mt
  • Year 1979
    Description Antimony Ore 385 Mt Of Antimony Metal/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 385mt
  • Year 1980
    Description Antimony Ore 385 Mt Of Antimony Metal/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 385mt
  • Year 1981
    Description Antimony Ore 343 Mt Of Antimony Metal/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 343mt

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Measured 34000mt ore
    Indicated 60500mt ore
    Demonstrated 94500mt ore
    Inferred 40000mt ore
    Total resources 134500mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 3.18 wt-pct Antimony Major 1982

Comments on the reserve resource information

  • THE MINE IS UNDER CARE AND MAINTENANCE(1982). CURRENT RESERVES/R ESOURCES AS SHOWN IN THE 1987-88 EM/J INTERNATIONAL DIRECTORY OF MINING: PROVEN-6,000 MT; PROBABLE-15,000 MT; POSSIBLE-30,000 MT
  • RESOURCE DATA WAS OBTAINED THROUGH PERSONAL COMMUNICATION.

Workings at the site

  • 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 95
    Capacity 50
    Capacity Units MT ORE/DAY
    Unit Production Cost 13.8
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1984

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 02-OCT-92 Palencia, Cesar M. 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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