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Carangas Mine

Past Producer in Oruro, Bolivia with commodities Silver, Zinc, Lead, Copper
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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. 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. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10056484
MRDS ID TC00503
Record type Site
Current site name Carangas Mine
Alternate or previous names Adits: San Jose, Orkho Thunkho Espiritu Santu, San Antonio

Geographic coordinates

Geographic coordinates: -68.62785, -18.93624 (WGS84)
Elevation 3900
Relative position 0.5 KM S85E OF TOWN OF CARANGAS, 42 KM SW OF HUACHACALLA, 244 KM BY ROAD FROM ORURO

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Oruro

Comments on the location information

  • LAT LONG IS FOR ORKHO THUNCO ADIT; PREVIOUS QUAD DESIGNATION = CORQUE (SE 19-11) 1:250000

Commodities

Commodity Importance
Silver Primary
Zinc Critical Tertiary
Lead Tertiary
Copper Tertiary

Materials information

Materials Type of material
Cerargyrite Ore
Chalcopyrite Ore
Galena Ore
Silver Ore
Sphalerite Ore
Tennantite Ore
Barite Gangue
Kaolinite Gangue
Opal Gangue
Pyrite Gangue
Sericite Gangue
Siderite Gangue

Alteration

  • (Local) Silicic, Pyritic, Argillic

Analytical data

Result ANALYSES BY GUERRA ET AL (1965): DUMP: 3.5% PB 800 G/T AG, DUMP: 19.6% PB 360 G/T AG
Result 0.15 CM CHANNEL SAMPLE: 10.7% PB 360 G/T AG, 0.15 CM CHANNEL SAMPLE: 8.0% PB 880 G/T AG. ANALYSES BY PATI%O CO. (1921): 202 G/T AG OVER 80 CM, (1936): 47.1 G/T AG, 0.90% PB 1.84% ZN OVER 80 CM. USGS (1990) UP TO 700 G/MT AG, 0.7% PB, 700 PPM ZN.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Carangas Volcanics (Tuff)
    Rock description Carangas Volcanics (Tuff)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) -68.62785, -18.93624
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Santa Catalina Volcanic Dome Complex

Ore body information

  • Depth to top 0M

Controls for ore emplacement

  • N65w Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discoverer Spanish Colonists

Mining district

District name Carangas

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Compania Minera Del Sur (Comsur)

Comments on the production information

  • SPANISH COLONISTS MINED AN ESTIMATED 1.5 MILLION TONS ORE LEAVING 10,000 MT 35 TO 50% PB SLAG.

Workings at the site

  • Type of workings Surface/Underground
    Length 270M
    Overall depth 30M

Comments on the workings information

  • 3 ADITS

Comments on development

  • PURCHASED 1926 BY DOMINGUEZ FAMILY, EDUARDO DOMINGUEZ WAS OWNER IN 1964

Reference information

Bibliographic references

  • Deposit

    AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DPTO. NAC. DE GEOLOGIA BOL. 5, P. 306-308.

  • Deposit

    TODOS SANTOS-CARANGAS, IN FIELD GUIDE, YACIMIENTOS EPITERMALES EN AMBIENTES DE VOLCANISMO RECIENTE, SEMINARIO-TALLAR, LA PAZ, BOLIVIA, SEPT. 4-16, 1988, P. 37-40.

  • Deposit

    GUERRA, M., URIBE, H., AND OTAZO, N., 1965, INFORME SOBRE ORIENTACION TECNICA MINA DE PLOMO Y PLATA CARANGAS: SERVICIO GEOLOGICO DE BOLIVIA INFORME GB-M-464, 9P., 1:2,000 MAP

  • Deposit

    AVILA SALINAS BALDIVIEGO, WALDO ARTURO, 1965, GEOLOGIA DEL DISTRITO MINERO DE CARANGAS Y SUS ALREDEDORES: UNPUBLISHED TESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, LA PAZ, BOLIVIA, 150P., MAP 1:50,000.

  • Deposit

    GEOLOGICAL INVESTIGATIONS BY GUERRA ET AL (1965)

  • Deposit

    VISITED BY USGS/GEOBOL GEOLOGISTS SEPT 1990

  • Other Database

    CIMRI

  • Production

    AHLFELD AND SCHNEIDER-SCHERBINA, 1964, P. 308.

General comments

Subject category Comment text
Deposit N65W VEINS ON CERRO ESPIRITU SANTO 12 CM MAX THICKNESS. N65W VEINS IN BELT 1700 M LONG ON CERRO SAN ANTONIO. MINERALIZED ZONE ON CERRO ESPIRITU SANTO IS 350 M WIDE.
Deposit CERRO ESPIRITU SANTO CONSISTS OF PHREATIC EXPLOSION BRECCIA AND ASSOCIATED(?) RHYOLITE AND FELDSPAR PORPHYRY INTRUSIVES. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1989 Long, Keith R. U.S. Geological Survey
Updater 01-DEC-1990 Ratte, Jim; Gamble, Bruce (Usgs) U.S. Geological Survey

Beyond USGS

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

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