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Colquijirca and Marcapunta Mines

Producer in Pasco, Peru with commodities Copper, Lead, Silver, Zinc, Gold
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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. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10068759
MRDS ID W002004
Record type Site
Current site name Colquijirca and Marcapunta Mines
Related records 10207337

Geographic coordinates

Geographic coordinates: -76.24972, -10.74792 (WGS84)
Elevation 4350
Relative position 8 KM. S. OF CERRO DE PASCO

Site location context

Political divisions (FIPS codes)

Pasco(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Pasco

Comments on the location information

  • LOCATION APPROXIMATELY MEASURED FROM METALLOGENIC MAPS OF PERU, 1969. THE SOUTHERN PART OF THE DEPOSIT IS MARCAPUNTA AND THE NORTHERN PART IS COLQUIJIRCA.

Commodities

Commodity Importance
Copper Primary
Lead Primary
Silver Primary
Zinc Critical Primary
Gold Tertiary

Comments on the commodity information

  • IN THE SOUTHERN PART (MARCAPUNTA) COPPER DOMINATES AND IN THE NORTHERN PART (COLQUIJIRCA) PB, ZN, AG DOMINATES. AU IS ASSOCIATED WITH ENARGITE.

Materials information

Materials Type of material
Argentite Ore
Bornite Ore
Cerargyrite Ore
Chalcocite Ore
Chalcopyrite Ore
Covellite Ore
Enargite Ore
Galena Ore
Marcasite Ore
Pyrite Ore
Silver Ore
Sphalerite Ore
Stromeyerite Ore
Tennantite Ore
Barite Gangue
Chert Gangue
Fluorite Gangue
Hematite Gangue
Kaolinite Gangue
Opal Gangue
Quartz Gangue
Siderite Gangue
Uraninite Gangue

Alteration

  • (Local) Each Individual Bed Is Flanked Outward Successively By Kaolinized, Pyritized, Or Slightly Mineralized Shale With Or Without Chert; Argillaceous Material With Hematite Nodules And Finally Shaly And Carbonate Rocks. Silicification (Black Cherty Silica) Is Associated With Ore.

Analytical data

Result BASED ON COMPOSITE SAMPLES: UPPER MANTO, AVERAGES 4.1% PB, RANGES TRACE TO 20.3%
Result AVERAGES 1.52% CU, RANGES 0.22 TO 3.98%. LOWER MANTO, AVERAGES 1.52% CU, RANGES 0.38 TO 3.88% CU. UPPER MANTO IS 50% RICHER IN AG THAN LOWER MANTO. FIRST CLASS ORE AVERAGES 60 OUNCES/TON AG, SECOND CLASS 40 OUNCES/TON AG, AND POOR ORE 20 OUNCES/TON AG.

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Marcapunta Porphyry Stock;Excelsior Formation, Mitu Group;Pucara Group;Pocobamba Formation, Clara Member;Unish Tuff
    Rock description Marcapunta Porphyry Stock;Excelsior Formation, Mitu Group;Pucara Group;Pocobamba Formation, Clara Member;Unish Tuff
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Associated
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Paria Formation
    Rock description Paria Formation

Nearby scientific data

(1) -76.24972, -10.74792
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description N-S Striking Anticline Whose Flanks Are Cut By Nw Striking Reverse Faults That Dip N. E.
Type of structure Local
Structure description Beds Of The Clara Member Are Folded Into A Major Syncline To The W. And Minor Syncline And Tight Anticline

Ore body information

  • General form IRREGULAR
    Length 1200M
    Width 1000M
    Depth to bottom 700M

Controls for ore emplacement

  • Thickest Ore Bodies Occur Where Competent Chert And Incompetent Shale Are Interlayered

Comments on the geologic information

  • MARCAPUNTA PORPHYRY STOCK 2 KM S. OF COLQUI JIRCA

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1677
Discoverer Not Known
Year of first production 1912

Ownership information

  • Type Owner
    Owner Hermanos, Fernandini Clotet
    First year 1896
    Last year 1956
  • Type Operator
    Owner Sociedad Mineral El Brocal S. A.
  • Type Owner
    Owner Patron, A. Rizo
    First year 1910

Production statistics

  • Year 1957
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^5.7 % Cu, 3.9 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 110g/mt
    Minor Ore Copper Copper 6wt-pct
  • Year 1957
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^6.3 % Pb, 10.4 % Zn, 7.5 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 212g/mt
    Major Ore Zinc Zinc 10wt-pct
    Major Ore Lead Lead 6wt-pct

Comments on the production information

  • INFORMATION LACKING ON RECENT PRODUCTION AND GRADE OF ORE 4/73. LINDGREN ESTIMATED SILVER PRODUCTION UP TO 1935 TO BE NOT LESS THAN 40 MILLION OUNCES.

Comments on the reserve resource information

  • ESTIMATED BY REPORTER 4/73
  • ESTIMATED POTENTIAL RESOURCE 4/73 EQUALS EST. RESERVES BY REPORTER
  • BASED ON GEOL. SETTING, RESERVES ARE ESTIMATED 4/73 TO BE EQUAL TO THE ESTIMATED PRODUCTION OF ABOUT 1.5 MIL TONS 1957-1972

Reference information

Bibliographic references

  • Deposit

    F. S. SIMONS 1960 (USGS) UNPUBLISHED REPORT P.1377-1388

  • Deposit

    MINISTERIO DE ENERGIA Y MINAS, 1969, ASPECTOS GENERALES DE LA METALOGENICA DEL PERU. P. 68; MINISTERIO DE ENERGIA Y MINAS. SERVICIO DE GEOLOGIA Y MINERIA, LIMA, PERU

  • Deposit

    PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU. NOV. 1969

  • Deposit

    BRISKEY, JOE, 1989, UNPUBLISHED DATA.

  • Deposit

    MCKINSTRY, H.E., 1936, GEOLOGY OF THE SILVER DEPOSIT AT COLQUIJIRCA, PERU: ECONOMIC GEOLOGY, V. 31, NO. 6, P. 618-635.

  • Deposit

    LINDGREN, W., 1935, THE SILVER MINE AT COLQUIJIRCA, PERU: ECONOMIC GEOLOGY, V. 30, NO. 4, P. 331-346.

  • Deposit

    NOBLE, D.C., AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1,6-13.

  • Deposit

    1960 COMPILE F. S. SIMONS - UNPUB. REPOR

  • Production

    F. S. SIMONS (USGS) UNPUB. REPORT P. 1377A; BRISKEY (1989); LINDGREN (1935).

General comments

Subject category Comment text
Deposit Discovery Year: COLONIAL PERIOD
Deposit OVER A CONSIDERABLE PART OF THE MINE, FIVE ORE BEDS ARE RECOGNIZED, FROM TOP TO BOTTOM THE MANTO, PRIMER MANTO, SEGUNDO NANTO, PYRITAS TECHO AND PYRITAS PISO, AND MANTO DE PIOMO. ORE MANTOS RANGE FROM FEW CENTIMETERS TO 10 M OR MORE IN THICKNESS. ORE OCCUR ON LIMBS OF FOLDS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1974 Goudarzi, Gus H. (Theune, C. T.) 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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