Chacarilla

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 10182160
MAS/MILS ID 3350200070
Record type Site
Current site name Chacarilla
Alternate or previous names Nitto Bolivia

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -68.36951, -17.67766 (WGS84)
Elevation 3850
Location accuracy 500(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
Copper Unknown
Cuprite Unknown

Nearby scientific data

Ore Body (1) -68.36951, -17.67766

Economic information

Ore body information

  • Strike N25W
    Dip 45W
    Thickness 1.5M
    Length 600M
    Width 45M
    Area 5HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 REPLACEMENT
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OTHER
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 PYRITIZATION
    Type of Wallrock Alter. #2 BLEACHING
    Type of Wallrock Alter. #3 INTERM ARGILLIC
    Strike And Dip N25W:45W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 5
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Year of first production 1900

Mining district

District name Chacarilla 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
    Owner Nitto Bolivia Mining Co., Ltd.
    Interest 100
    Home office Bolivia
    Year 1975

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Percent Waste Rock 20
    Hardness of Rock HARDROCK FISSURED WITH MODERATE 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 Adits 1
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 500
    Capacity Units MT ORE/DAY
    Unit Production Cost 10
    Units of Production $/MT ORE
    Operating Days per Year 310
    Operating Shifts per Day 2
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    AHLFELD, F., 1954, LOS YACIMIENTOS MINERALES DE BOLIVIA: BAN

  • Deposit

    MINERO DE BOLIVIA, LA PAZ, PG. 215-216, PRINTED IN BILBAO, S

  • Deposit

    IMPRENTA INDUSTRIAL S. A., IN SPANISH.

  • Deposit

    MINING MAGAZINE, 1975, SOUTH AMER.: SEPT., 1975, P. 189

  • Deposit

    ENGINEERING AND MINING JR., 1975, INTERN. DIRECTORY OF MININ

  • Deposit

    MCGRAW HILL, N. Y., P. 214.

General comments

Subject category Comment text
Deposit LOCATION FROM AHLFELD MAP, 1954. MINING MAG, 1975, SAYS SIZE MINE IS 150000 TO 300000 TPY ORE. EMJ SAYS 650 EMPLOYED WITH CAPAC. 100000 TO 500000 TPY ORE TWO SMALL HAND LABOR MINES, TACANA AND TIVINA, PRODUCE CONS PCT CU NATIVE, SAID TO HAVE BEEN LARGE DISTRICT, ORE AS NATI IN CEMENT AND FRACT. IN TUFFACEOUS SANDSTONE, BEDDED, AREA 5 OF COROCORO, ALL DATA FROM AHLFELD. MINES PROBABLY CLOSED BY

Reporter information

Type Date Name Affiliation Comment
Reporter 19-JUL-91 Ljb U.S. Bureau of Mines

Beyond USGS

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