Rosa De Oro Mine

Producer in Potosi, Bolivia with commodity Antimony
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. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10006311
MRDS ID BL20306
Record type Site
Current site name Rosa De Oro Mine
Alternate or previous names Santa Rosa De Oro

Geographic coordinates

Geographic coordinates: -66.12444, -21.68644 (WGS84)
Elevation 4100
Relative position 10 KM DUE EAST OF ESMORACA

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Comments on the location information

  • AT SANTA ROSA

Commodities

Commodity Importance
Antimony Critical Primary

Materials information

Materials Type of material
Stibnite Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -66.12444, -21.68644

Economic information

Geologic structures

Type of structure Regional
Structure description N-S Anticline

Ore body information

  • General form PINCH AND SWELL
    Strike N 5 W
    Dip VERTICAL
    Thickness 4M
    Length 3000M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1850
Year of first production 1906

Ownership information

  • Type Owner-Operator
    Owner Empresa Minera Bernal Hermanos

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 18000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 3.5 wt-pct Antimony Major 1983
  • Type In-situ
    Estimate year 1983
    Total resources 32000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 3 wt-pct Antimony Major 1983
  • Type In-situ
    Estimate year 1983
    Total resources 2000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 2.5 wt-pct Antimony Major 1983

Comments on the reserve resource information

  • (1) POSITIVE; (2) PROBABLE; (3) POSSIBLE

Comments on the workings information

  • MORE THAN 1 KM OF WORKINGS

Comments on development

  • ECON.COM: CUT AND FILL MINING. FLOATATION MILL.

Reference information

Bibliographic references

  • Deposit

    MINTEC, 1983, INFORME EMPRESA MINERA BERNAL: MINTEC INTERNAL REPORT

  • Deposit

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

  • Deposit

    AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 119.

  • Other Database

    CIMRI

  • Production

    GUSTAVSON ASSOC. (1992); AHLFELD AND SCHNEIDER-SCHERBINA (1964) P. 119.

General comments

Subject category Comment text
Deposit STIBNITE IN VEINS FEW CM TO 4 M WIDE AND DISSEMINATED IN SLATE WALL ROCK. MAIN ORESHOOT WAS 75 M LONG, 0.4 TO 3.5 M WIDE, OPENED TO AT LEAST 220 M DEPTH OVER WHICH THE SHOOT AVERAGED 2 M WIDTH OF 25% SB. ANOTHER SHORT, NARROW, HIGH-GRADE ORE SHOOT YIELDED 2000 MT OF SB.
Deposit Discovery Year: 1800'S

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.