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Cerro Grande - Berenguela Mines

Producer in Cochabamba, Bolivia with commodities Tin, Zinc, Lead, Silver, Antimony
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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. Mineral occurrence model information
  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 10068810
MRDS ID W002066
Record type Site
Current site name Cerro Grande - Berenguela Mines

Geographic coordinates

Geographic coordinates: -66.36613, -17.88098 (WGS84)
Elevation 3800
Relative position 3 KMS SOUTH OF RR STATION, COLCHA, ON ORURO - COCHABAMBA RAILROAD.

Site location context

Political divisions (FIPS codes)

Cochabamba(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Cochabamba

Comments on the location information

  • COORDINATES ARE FOR CAPILLITAS, TOTAL RESERVE AREA IS 1891 SQ KM

Commodities

Commodity Importance
Tin Critical Primary
Zinc Critical Secondary
Lead Secondary
Silver Tertiary
Antimony Critical Tertiary

Comments on the commodity information

  • DATA ON ORE MINERALS REFERS TO CAPILLITAS MINE. THE GANGUE MINERAL RHODOCHROSITE IS ALSO TAKEN.

Materials information

Materials Type of material
Cassiterite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Siderite Gangue

Mineral occurrence model information

Model code 77
USGS model code 20b
Deposit model name Sn-polymetallic vein

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Torotoro;Suticollo
    Rock description Torotoro;Suticollo
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -66.36613, -17.88098
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw-Se
Type of structure Local
Structure description Major Conjugate Fissure Systems

Ore body information

  • General form VEINS AND POCKETS, DISSEMINATED
    Strike NE AND NW
    Dip 60 DEG NE
    Length 500M
    Width 4M
    Depth to top 0M
    Depth to bottom 270M

Controls for ore emplacement

  • Conjugate Nw And Ne Fissure Systems In Nw-Trending Folded Sedimentary Rocks.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1870
Year of first production 1870

Mining district

District name Colcha District

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Berenguela And Cerro Grande, Ltda. Mines

Comments on the production information

  • PRODUCTION INFO LACKING IN ANGELELLI REF. FOR SPECIFIC METALS. RHODCHROSITE HAS BEEN MINED
  • PRODUCTION IS REPRESENTATIVE FOR THE PERIOD 1960-1970 FOR WHICH DATA IS AVAILABLE. NO DATA FOR TUNGSTEN PRODUCTION.

Comments on the reserve resource information

  • RESERVES ARE "POSITIVE AND PROBABLE"; ORE (1992) DRILL-INDICATED RESOURCES FROM AMERICAN RESOURCES CORP. IN MA VIDA.
  • (1) POSITIVE ORE RESERVES; (2) PROBABLE ORE RESERVES; (3) POSITIVE ORE RESERVES; (4) PROBABLE ORE RESERVES
  • RESOURCES IN THE WHOLE AREA PROBABLY ARE SEVERAL HUNDRED MILLION TONS

Workings at the site

  • Type of workings Underground
    Overall depth 300M

Comments on the workings information

  • DEPOSIT DATA REFERS TO CARMELITAS MINE WHICH HAS 2 ADITS, 12 LEVELS OF WORKINGS TOTALLING 20 KM.
  • AREA 2X3 KM

Comments on development

  • UN PROJECT INCLUDED: GEOLOGIC MAPPING, 1:50,000 SCALE, RECONNAISSANCE GEOCHEMICAL PROSPECTING, AND A GEOLOGIC-TOPOGRAPHIC MAP, 1:2000 SCALE, SHOWING PETROGRAPHIC-GEOCHEMICAL SAMPLE DATA. AMERICAN RESOURCES CORPORATION (1992) HAS SIGNED A CONTRACT WITH AGUA RICA TO EXPLORE AND PREPARE FEASIBILITY STUDY OF AU-CU-MO DEPOSIT MI VIDA. VICTOR CONTRERAS/AMERICAN RESOURCES CORPORATION SIGNED A CONTRACT WITH SOMICA-DEM AND FABRICCACIONES MILITARES TO EXPLORE, DO A FEASIBILITY STUDY AND OPTION FOR EXPLOITATION OF CAPILLITAS-CERRO ATAJO (1992).

Reference information

Bibliographic references

  • Deposit

    AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS: DEPTO. NAC. DE GEOL. BOL. 5 (ESPECIAL), P 150-152

  • Deposit

    GUMUCIO, CARLOS, 1967, ESTUDIO GEOLOGICO DE LA REGION DE COLCHA-CERRO GRANDE-BOLIVAR: LA PAZ, UMSA, TESIS DE GRADO

  • Production

    MINISTRY OF MINES AND METALLURGY, 1970

General comments

Subject category Comment text
Deposit AREA WAS "RESERVED" IN U. N. STUDY BECAUSE OF THE FOLLOWING CRITERIA: PRESENCE OF ALTERATION HALOS; ANOMALOUS VALUES OF PB, CU, MO AT FILO COLORADO, CU AND AU AT CERRO ATAJO; AND CU, PB, ZN, IN EL ESTANQUE; AND THE PRESENCE OF THE 3 MINING DISTRICTS IN RESERVE
Deposit TWO VEIN SYSTEMS EXIST: PRIMARY VEINS STRIKE N 50 W AND DIP 50-70 DEGREES NE AND INCLUDE THE FOLLOWING: COLORADA, -TUCSUHUMA-DOMINGO, ASCENCIO. SECONDARY VEINS SKRIKE N 50 E AND- DIP 45-50 DEGREES NW AND INCLUDE THE FOLLOWING: AMARILLO, AZU-L, OLGA.
Deposit 400 HECTARES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1973 Irving, Earl M. U.S. Geological Survey
Updater 01-JUL-1978 Urquidi-Barrau, Fernando U.S. Geological Survey

Beyond USGS

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

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