Corocoro

Producer in La Paz, Bolivia with commodity Copper
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. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10231082
MAS/MILS ID 3350200012
Record type Site
Current site name Corocoro

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -68.48952, -17.19768 (WGS84)
Elevation 4000
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Aragonite Unknown
Barite Unknown
Chalcocite Unknown
Copper Unknown
Gypsum Unknown

Nearby scientific data

Ore Body (1) -68.48952, -17.19768

Economic information

Ore body information

  • Strike N10W
    Dip 50W
    Thickness 30M
    Length 1000M
    Width 400M
    Area 30HA
    Depth to top 50M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 BLEACHING
    Strike And Dip N10W:50W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 30
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1560
Year of first production 1830

Mining district

District name Corocoro Copper District

Mineral rights holdings

Type of mineral rights State Lease
Type of mineral rights Minerals Only

Land status

Ownership category State

Ownership information

  • Type Owner-Operator
    Owner Bolivian Government - Comibol
    Interest 100
    Home office Bolivia
    Year 1955

Workings at the site

  • Type of workings Underground
    Length 14000M
    Overall depth 200M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method CAVING METHODS
    Percent Waste Rock 20
    Hardness of Rock SOFT NONPLASTIC WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 10
    Length of Inclines (m) 0
    Slope of Inclines 0
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 661
    Capacity Units MT ORE/DAY
    Unit Production Cost 15
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    ENTWISTLE, L., GOUIN, L., 1955, THE CHALCOCITE-ORE DEPOSITS

  • Deposit

    COROCORO, BOLIVIA: ECON. GEOL., V. 50, NO. 6, PP. 555-570.

  • Deposit

    SINGEWALD, J. T., BERRY E., 1922, THE GEOLOGY OF THE COROCOR

  • Deposit

    DIST. OF BOLIVIA: THE JOHNS HOPKINS U. STUDIES IN GEOL. NO.

  • Deposit

    BALTIMORE, MD., 117 PGS.

  • Deposit

    E/MJ INT.DIRECTORY, 1975-76,PP. 212.

  • Deposit

    MINING JOURNAL APR 16 1971, APRIL 2 1976

General comments

Subject category Comment text
Deposit DEPOSIT WAS MINED DURING PRE-COLONIAL PERIOD FOR NATIVE COPP PRODUCTION STATED AT 7000000 MT ORE PRODUCING 350000 MT CU P 1952. THIS IS A TYPICAL REDBED CU DEPOSIT, SIMILAR TO NACIMI CUBA, NEW MEXICO. NATIVE CU WAS PRIMARY ORE MINERAL UNTIL 19 IS NOW MAJOR MINERAL, NATIVE AG COMMON. 1971-SHAFT SINKERS OF JOHANNESBURG HAS STARTED SINKING A 661 1976-THE CORPORATION MINERA DE BOLIVIA (COMIBOL) IS REPORTED E RECEIVED A $400,000 LOAN FROM THE CAF TO CARRY OUT FEASIBI UDIES FOR A COPPER CONCENTRATE PLANT AT COROCORO

Reporter information

Type Date Name Affiliation Comment
Reporter 26-JAN-1995 Ljb U.S. Bureau of Mines

Beyond USGS

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