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Casapalca Centromin

Producer in Lima, Peru with commodities Zinc, Lead, Copper, Silver, Gold, Tungsten, Arsenic, 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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  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 10079727
MRDS ID W029827
Record type Site
Current site name Casapalca Centromin
Alternate or previous names Vein Names: S, P, M, L, 241, Rayo, H-Vein, Bella Union, Carmen: Carlos Francisco and Aguas Calientes Sections, Carlos Francisco Mine and Aguas Calientes Mine

Geographic coordinates

Geographic coordinates: -76.24666, -11.6801 (WGS84)
Elevation 4200
Relative position 120 KM E OF LIMA ON THE WEST FLANK OF THE ANDES CORDILLERA.

Site location context

Political divisions (FIPS codes)

Lima(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Lima

Comments on the location information

  • LOCATION FROM METALLOGENIC MAPS OF PERU 1969 NO. 26. IN VALLEY OF RIMAC RIVER.

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Copper Primary
Silver Primary
Gold Primary
Tungsten Critical Secondary
Arsenic Critical Tertiary
Antimony Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Boulangerite Ore
Bournonite Ore
Chalcopyrite Ore
Covellite Ore
Galena Ore
Jamesonite Ore
Orpiment Ore
Owyheeite Ore
Polybasite Ore
Proustite Ore
Pyrargyrite Ore
Pyrite Ore
Realgar Ore
Sphalerite Ore
Stibnite Ore
Tennantite Ore
Tetrahedrite Ore
Barite Gangue
Calcite Gangue
Chlorite Gangue
Dolomite Gangue
Quartz Gangue
Rhodochrosite Gangue
Rhodonite Gangue
Sericite Gangue

Alteration

  • (Local) Silicic, Pyritic, Sericitic, Propylitic

Analytical data

Result 0.3 % CU, 1.8 % PB, 3.5 % ZN, 161 G PER TON AG. WU AND PETERSON (1977) CONTAINS TETRAHEDRITE ANALYSES AND ANALYSES OF CHEMICAL CHANGES ON PROFILES IN THE MINE. SULFUR ISOTOPE DATA FOR TETRAHEDRITE AND BOURNONITE-SELIGMANITE. PROFILE OF WEIGHT % CU AND OZ/TON AG.

Mineral occurrence model information

Model code 106
USGS model code 25b
Deposit model name Epithermal vein, Creede
Mark3 model number 58

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Veintiuno Andesite, Victoria Porphyry, Fraguamachay Intrusive, Tauca Intrusive
    Rock description Veintiuno Andesite, Victoria Porphyry, Fraguamachay Intrusive, Tauca Intrusive
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Rio Blanco Formation;Bella-Vista Formation;Yauliyacu Member Of Carlos Francisco Formation;Carlos Francisco Member Of Carlos Francisco Formation;Tablachaca Member Of Carlos Francisco Formation;Carmen Member Of Casapalca Formation;Amygdaloid Member Of Casapalca Formation;Redbeds Member Of Casapalca Formation;Machay Formation
    Rock description Rio Blanco Formation;Bella-Vista Formation;Yauliyacu Member Of Carlos Francisco Formation;Carlos Francisco Member Of Carlos Francisco Formation;Tablachaca Member Of Carlos Francisco Formation;Carmen Member Of Casapalca Formation;Amygdaloid Member Of Casa
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Nearby scientific data

(1) -76.24666, -11.6801
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Tight Folding, Axes Trending Nnw. Local Overturning; Carmen Fault, Americana Thrust Fault.

Ore body information

  • Strike N 30 E
    Dip 70 NW
    Thickness 1M
    Length 5000M
    Width 3500M
    Depth to bottom 2000M

Comments on the geologic information

  • THERE ARE 6 TYPES OF VEINS (SEE RIDGE 1972). MAIN VEIN IS ZONED AS DESCRIBED BY MCKINSTRY AND NOBLE (1932) WITH A CENTRAL ZONE COMPOSED OF QUARTZ, PYRITE, SPHALERITE, GALENA, LOW SILVER; AN INTERMEDIATE ZONE TO NORTH OF QUARTZ, SOME CALCITE, PYRITE, SPHALERITE, GALENA, TETRAHEDRITE, BOURNONITE, HIGH SILVER; AN INTERMEDIATE ZONE TO THE SOUTH WITH SIMILAR MINERALS AS TO NORTH BUT WITH MORE CALCITE, LESS QUARTZ, SOME RHODOCHROSITE; AN OUTER ZONE TO NORTH OF QUARTZ, CALCITE, PYRITE, TETRAHEDRITE, STIBNITE, REALGAR, SPOTTY SILVER; AN OUTER ZONE TO SOUTH OF BOTRYOIDAL CALCITE AND STIBNITE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1888
Discoverer Backus And Johnston
Year of first production 1921

Mining district

District name Chicla

Ownership information

  • Type Operator
    Owner Casapalca Division
  • Type Owner
    Owner Cerro De Pasco Corp. ; Minera Del Centro Del Peru (Centromin)
    First year 1919
    Last year 1974

Production statistics

  • Year 1964
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^0.52 % Cu, 2.75 % Pb, 4.30 % Zn, 214.2 G Per Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 214g/mt
    Ore Zinc Zinc 4wt-pct
    Ore Lead Lead 3wt-pct
    Ore Copper Copper 1wt-pct
  • Year 1965
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^0.54 % Cu, 2.53 % Pb, 4.11 % Zn, 223.2 G Per Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 223g/mt
    Ore Zinc Zinc 4wt-pct
    Ore Lead Lead 3wt-pct
    Ore Copper Copper 1wt-pct
  • Year 1977
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^0.51 % Cu, 3.22 % Pb, 5.11 % Zn, 206.5 G Per Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 207g/mt
    Ore Zinc Zinc 3wt-pct
    Ore Lead Lead 3wt-pct
    Ore Copper Copper 1wt-pct

Comments on the production information

  • THE ANUARIO MINERO COMERCIAL 1977 STATED ONLY CU, PB, ZN AND AG WITHOUT ANY GRADE FOR THE ORE. THE INTERNAT. DIR. OF MINING AND MINERAL PROCES OPERAT. 1977 REPORTS: 0.3 % CU, 1.8 % PB, 3.5 % ZN AND 161 G PER TON AG (AVERAGE ORE GRADE)

Comments on the reserve resource information

  • H1) 3,390,647 MET TONS PROVED + 1,837,027 MET TONS PROBABLE RESERVES. H2) DEADLINE 1.1.1967

Workings at the site

  • Type of workings Underground
    Overall depth 2000M

Comments on development

  • CAPACITY (1976): 1860 MET TPD ORE; 1990 CAPACITY 2720 MT/DAY WITH FEED GRAIN OF 0.22% CU, 1.27% PB, 2.32% ZN, 160.57 G/MT AG.

Reference information

Bibliographic references

  • Deposit

    RIDGE, JOHN D., 1972, ANNOTATED BIBLIOGRAPHIES OF MINERAL DEPOSITS IN THE WESTERN HEMISPHERE, P.606, THE GEOLOGICAL SOCIETY OF AMERICA INC., MEMOIR 131

  • Deposit

    BELLIDO BRAVO, E. AND MONTREUIL D., L., 1972, ASPECTOS GENERALES DE LA METALOGENIA DEL PERU, P.74, ED. SERVICIO DE GEOLOGIA Y MINERIA, MINISTERIO DE ENERGIA Y MINAS, OCT.1972

  • Deposit

    MCKINSTRY, H.E. AND NOBLE, J.A. 1932, THE VEINS OF CASAPALCA PERU: ECONOMIC GEOLOGY, V. 27 P. 501-522

  • Deposit

    PETERSON, U., 1965, REGIONAL GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL PERU: ECONOMIC GEOLOGY, V. 60, NO. 3, P. 407-476.

  • Deposit

    MOSIER AND OTHERS, 1986, GEOLOGIC AND GRADE-TONNAGE INFORMATION ON TERTIARY EPITHERMAL PRECIOUS- AND BASE-METAL VEIN DISTRICTS ASSOCIATED WITH VOLCANIC ROCKS: U.S. GEOLOGICAL SURVEY BULLETIN 1666, 39 P.

  • Deposit

    ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS, 1972, P. 200.

  • Deposit

    SIMONS, F.S., 1965, MINERAL DEPOSITS OF PERU: UNPUBLISHED REPORT PAGES 1290-1301.

  • Deposit

    WU, I. AND PETERSON, U., 1977, GEOCHEMISTRY OF TETRAHEDRITE AND MINERAL ZONING AT CASAPALCA, PERU: ECONOMIC GEOLOGY, V. 72, NO. 6, P. 993-1016.

  • Deposit

    CAVANAUGH, J., AND GLOVER, M., 1991, THE PERU REPORT'S GUIDE TO MINES AND MINERS IN PERU: PERU REPORTING SERVICIOS EDITORALES S.R.L., LIMA, P. 131-132.

  • Deposit

    NINEZ, J.W., 1970, GEOLOGIA DE LA MINA CASAPALCA, IN GEOLOGIA DE LOS YACIMENTOS OPERADAS POR LA CERRO DE PASCO CORP., P. 1-11, IN 1ST CONGRESSO LATINA AMERICANO DE GEOLOGIA LIMA, PERU. NOV. 22-29, 1970. (SPANISH)

  • Deposit

    1928 GEOLMAP H.E. MCKINSTRY AND J.A. NOBLE CERRO DE PASCO

  • Deposit

    1948 GEOLMAP G.E. KRUGER - CERRO DE PASCO

  • Deposit

    1955 GEOLMAP R.B. FRANKEN - CERRO DE PASCO

  • Production

    D1,2) LA MINERIA EN EL PERU, ANUARIO MINERO COMERCIAL 1977. D3,4,5) WORLD MINING, FEB. (1968); CAVANAUGH AND GLOVER (1991).

  • Reserve-Resource

    E1) INTERNAT. DIR. OF MINING AND MINERAL PROCES. OPERAT. (1977); CAVANAUGH AND GLOVER (1991).

General comments

Subject category Comment text
Deposit SEVERAL VEINS HAVING AVERAGE THICKNESS OF ONE METER, ARE DEVELOPED TO ABOUT 2000 METERS IN DEPTH. THE PRINCIPAL VEIN SYSTEM IS AGUAS CALIENTES CARLOS FRANCISCO. OTHERS ARE BELA UNION, CARMEN AND RAYO VEINS. THE ENTIRE VEIN SYSTEM IS CHARACTERIZED BY EN ECHELON OR SHINGLE STRUCTURE AND THE DEPTH OF MINERALIZATION MAY BE AS MUCH AS 3000 METERS.
Deposit First Production Year: 1921-SYSTEMATIC MINING AND MAJOR PRODUCTION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Theune, C.T. U.S. Geological Survey
Updater 01-DEC-1987 Goudarzi, Gus H. U.S. Geological Survey
Updater 01-JUL-1993 Orris, Greta J. U.S. Geological Survey
Updater 01-MAR-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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