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Pumahuasi Mine

Producer in Jujuy, Argentina with commodities Lead, Zinc, Silver, 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. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10068838
MRDS ID W002096
Record type Site
Current site name Pumahuasi Mine

Geographic coordinates

Geographic coordinates: -65.58693, -22.28087 (WGS84)
Elevation 3660
Relative position 20 KM S OF LA QUIACA

Site location context

Political divisions (FIPS codes)

Jujuy(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina Jujuy

Comments on the location information

  • 8 KM E OF PUMAHUASI TRAIN STATION

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Copper Secondary

Materials information

Materials Type of material
Anglesite Ore
Argentite Ore
Calamine Ore
Chalcopyrite Ore
Chrysocolla Ore
Galena Ore
Malachite Ore
Sphalerite Ore
Tetrahedrite Ore
Barite Gangue
Chalcedony Gangue
Limonite Gangue
Opal Gangue
Pyrolusite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Oxidized To 50-60 M Depth With Zone Of Secondary Enrichment At That Depth. Narrow Alteration Envelopes Of Silica, Chlorite, And Sericite Around Veins.

Analytical data

Result AG GRADES LESS THAN 100 G/MT

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Acoite Formation
    Rock description Acoite Formation
    Stratigraphic age (youngest) Early Ordovician
    Stratigraphic age (youngest) Early Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -65.58693, -22.28087
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Multiple Imbricate Thrusts With Subsidiary Folding
Type of structure Local
Structure description Narrow Belt Of Intensely Folded And Sheared Rocks. Fold Axes Oriented N-S

Ore body information

  • General form PINCH AND SWELL
    Strike N45-80W
    Dip 70-85SW
    Thickness 1M
    Length 400M

Controls for ore emplacement

  • Fractures At An Angle Of 40 To 60 Degrees Within Principal N-S Fold Axes

Comments on the geologic information

  • MINERALIZATION IS COEVAL WITH FOLDING AND FRACTURING OF HOST ROCK BEFORE DEPOSITION OF THE PIRGUA SUBGROUP (CRET) AND IS UNRELATED TO ANY INTRUSIVE ACTIVITY. ACOITE FM SHALES CONTAIN UP TO 4500 PPM PB AND ZN.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1900
Year of first production 1914
Year of last production 1937

Mining district

District name Pumahuasi-Cangrejillos

Ownership information

  • Type Operator
    Owner Cia. Minera Y Metalurgica Sudamericana S. A.
    First year 1930
    Last year 1937

Comments on the production information

  • PRODUCTION DATA NOT AVAILABLE

Workings at the site

  • Type of workings Underground
    Length 1150M
    Overall depth 375M

Comments on the workings information

  • TWO MAIN SHAFTS, MANY TUNNELS

Comments on development

  • ECON.COM: UPPER PART OF PRINCIPAL VEIN GRADE OF PB IS 36% AND ZN IS 32%

Reference information

Bibliographic references

  • Deposit

    ANGELELLI, V., FERNANDEZ LIMA, J. C., HERRERA, A., AND ARISTARAIN, L., 1970, DESCRIPCION DEL MAPA METALOGENETICO DE LA REPUBLICA ARGENTINA: DIRRECION NACIONAL DE GEOLOGIA Y MINERIA, P. 118 (SPANISH)

  • Deposit

    ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, V. 2, P. 483-484.

  • Deposit

    TURNER, J.C., 1964, DESCRIPCION GEOLOGICA DE LA HOJA 2B, LA QUIACA: ARGENTINA, SERVICIO NACIONAL MINERO GEOLOGICO, BOL. 103, P. 64.

  • Deposit

    SUREDA, R.J., ET. AL., 1986, ASPECTOS METALOGENICOS DEL NOROESTE ARGENTINO: CAPRICORNIO, V. 1, N.1, P. 46.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit STRIKE AND DIP OF VEIN VARIES FROM NORTH TO SOUTH. IN UPPER 250 M OF VEIN GALENA PREDOMINATES (36% PB, 32% ZN), BELOW 250 M SPHALERITE IS DOMINANT ORE MINERAL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1973 Davidson, Claire B. U.S. Geological Survey
Updater 01-FEB-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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