1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Fortaleza

Occurrence in La Paz, Bolivia with commodity Tin
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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. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10182289
MAS/MILS ID 3350200019
Record type Site
Current site name Fortaleza
Alternate or previous names Fenomenal

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -68.13951, -16.09771 (WGS84)
Location accuracy 10000(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
Tin Critical Tertiary

Materials information

Materials Type of material
Cassiterite Unknown
Chalcopyrite Unknown
Garnet Unknown
Quartz Unknown
Tourmaline Unknown

Nearby scientific data

Ore Body (1) -68.13951, -16.09771
ListMap

Economic information

Ore body information

  • Thickness 15M
    Length 450M
    Area 10HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 PEGMATITE
    Shape of Orebody #1 TABULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 10
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Fabulosa

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 Bolivian Government
    Interest 100
    Home office Bolivia
    Year 1976

Workings at the site

  • Type of workings Underground
    Length 2000M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method OPEN STOPE
    Percent Waste Rock 75
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Avg. Length of Adits (m) 450
    Number of Adits 2
    1st Condition of Workings OPEN
    Capacity 20
    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

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

  • Deposit

    MINERO DE BOLIVIA, LA PAZ, BOLIVIA, PP. 30.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Ljb 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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