Laurani

Prospect in La Paz, Bolivia with commodities Copper, Gold, Silver
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 10230967
MAS/MILS ID 3350200064
Record type Site
Current site name Laurani

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -67.7445, 17.4207 (WGS84)
Elevation 4400
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

USGS map quadrangles

Puerto Rico OE S(quadrangle 1:250,000 scale)

Geographic areas

Country State
Bolivia La Paz

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Bornite Unknown
Enargite Unknown
Pyrite Unknown
Quartz Unknown
Tennantite Unknown

Nearby scientific data

Ore Body (1) -67.7445, 17.4207

Economic information

Ore body information

  • Strike N50E
    Dip 00E
    Thickness 1.6M
    Length 1200M
    Width 220M
    Area 10HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 PYRITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 ADV ARGILLIC
    Strike And Dip N50E:00E
    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 Prospect
Commodity type Metallic
Significant No

Mining district

District name Sicasica

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 Empresa Minera Laurani
    Interest 100
    Home office Bolivia
    Year 1954
  • Type Owner-Operator
    Owner Corp. Minera De Bolivia
    Interest 100
    Home office Bolivia
    Year 1976
  • Type Owner
    Owner Corriente Resources Inc.
    Interest 50
    Year 1997
  • Type Owner
    Owner Ascot Resources Ltd.
    Interest 50
    Year 1997

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method GOPHERING (COYOTING) 10-29
    Percent Waste Rock 15
    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
    Length of Inclines (m) 0
    Slope of Inclines 0
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 30
    Capacity Units MT ORE/DAY
    Unit Production Cost 20
    Units of Production $/MT ORE
    Operating Days per Year 150
    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, PG. 209-210, PRINTED IN BILBAO, S

  • Deposit

    IMPRENTA INDUSTRIAL S. A., IN SPANISH.

  • Deposit

    PEREIRA BASCOPE, G., 1968, INVESTIGACIONES PRELIM. SOBRE TEC

  • Deposit

    Y METALOGEN. EN LAS CORD. REAL Y QUIMSA CRUZ: SER. GEOL. DE

  • Deposit

    BOL. 9, LA PAZ, 99 PGS.

General comments

Subject category Comment text
Deposit MINE IS ALL HAND LABOR, HIGRADING OPERATION, OXIDE ZONE EXTR NOW ON SULF., 1954 PRODUCTION IS 100 TPM CONS. WITH 25 PCT C DATA FROM AHLFELD, MINE 4 KM E OF PAN AM HIWAY S OF VILLA AR RESERVES IN ADVANCE OF MINING.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-SEP-1997 Ljb U.S. Bureau of Mines

Beyond USGS

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