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  3. Mineral Resource Data System (MRDS)

San Jorge Mine

Producer in La Paz, Bolivia with commodity Gold
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10006250
MRDS ID BL20227
Record type Site
Current site name San Jorge Mine
Alternate or previous names Veins: Jorge I, Jorge Ii, Penetencia, Marzo, Santa Rosa

Geographic coordinates

Geographic coordinates: -68.50952, -15.33441 (WGS84)
Elevation 4300
Relative position 46 KM FROM SORATA

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

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Yani-Rosasani Batholith
    Rock description Yani-Rosasani Batholith
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -68.50952, -15.33441
ListMap

Economic information

Ore body information

  • Strike N 10 W
    Dip 35 N
    Length 190M
    Width 0.25M

Controls for ore emplacement

  • Fracturing Related To Intrusion Of Yani-Rosasani Batholith

Economic information about the deposit and operations

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

Ownership information

  • Type Owner-Operator
    Owner Troya Limitada

Workings at the site

  • Type of workings Underground
    Length 310M
    Overall depth 200M

Comments on the workings information

  • CUT AND FILL MINING. WORKINGS CONSIST OF TUNNELS, CROSSCUTS, AND RAISES.

Comments on development

  • ECON.COM: HAND SORTING, GRAVITY CONCENTRATION. ABOUT 60% AU RECOVERY.

Reference information

Comments on the other database information

  • BL20227 AND BL20470 ARE NOT DUPLICATES, KEITH LONG, MARCH 94.

Bibliographic references

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    GUSTAVSON ASSOC. (1992)

  • Reserve-Resource

    (1) GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit Discovery Year: 1800'S
Deposit FIVE VEINS, PSEUDOCONCORDANT WITH BEDDING, 175 TO 190 M LONG, 0.167 TO 0.25 M WIDE AND EXPLORED TO DEPTHS OF 150 TO 200 M.

Reporter information

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

Beyond USGS

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

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