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

Juan Mine

Past Producer in La Paz, Bolivia with commodities Tin, Tungsten
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10006293
MRDS ID BL20281
Record type Site
Current site name Juan Mine
Alternate or previous names Demasias Juan

Geographic coordinates

Geographic coordinates: -67.68283, -16.67547 (WGS84)
Elevation 4200
Relative position 16.5 KM N75E OF COHONI

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz
Bolivia La Paz
Bolivia La Paz

Commodities

Commodity Importance
Tin Critical Primary
Tungsten Critical Primary

Materials information

Materials Type of material
Cassiterite Ore
Wolframite Ore
Clay Gangue
Fluorite Gangue
Marmatite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Alteration Halo 7 To 30 M Wide Of Strong Silicification And Disseminated Tourmaline.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -67.68283, -16.67547
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On N45w Cerro Negro Anticline (Flanks Dip 25-70) Displaced By N45e Vertical Fault.
Type of structure Local
Structure description N45e Vertical Fault Displaces Anticlinal Axis And Veins.

Ore body information

  • Strike N 40-70 E
    Dip 40 NW - VERTICAL

Controls for ore emplacement

  • Estructural Epigenetico

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1850

Ownership information

  • Type Owner
    Owner Maria Josefa Saavedra

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Total resources 502463000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.8 wt-pct Tin Major 1981
    Tungsten Wo3 0.35 wt-pct Tungsten Major 1981

Comments on the reserve resource information

  • PROSPECTIVE RESERVES

Comments on development

  • ECON.COM: GRAVITY CONCENTRATION

Reference information

Bibliographic references

  • Deposit

    GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit Discovery Year: 1800'S
Deposit THREE MAIN SUBPARALLEL VEINS STRIKE N40-70E DIP 40NW TO VERTICAL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site