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Michiquillay Copper Deposit - 26

Prospect in Cajamarca, Peru with commodities Copper, Molybdenum, Zinc, Lead
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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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Ownership information
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10068772
MRDS ID W002020
Record type Site
Current site name Michiquillay Copper Deposit - 26
Related records 10132956

Geographic coordinates

Geographic coordinates: -78.29978, -7.04807 (WGS84)
Elevation 3400
Relative position 30 KM N.E. CAJAMARCA

Site location context

Political divisions (FIPS codes)

Cajamarca(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Cajamarca

Comments on the location information

  • LOCATION FROM METALLOGENIC MAP OF PERU, 1969 NO. 26; ON SEG SEG RIDGE.

Commodities

Commodity Importance
Copper Primary
Molybdenum Primary
Zinc Critical Primary
Lead Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Covellite Ore
Galena Ore
Molybdenite Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Alteration

  • (Local) Zonal Alteration - Phyllic - Argillic And Propylitic - Typical Of Porphyry Coppers - Silicates Are Restricted To Individual Veins Similar To Butte; Potassic Zone Described For Older Porphyry Copper Has Not Been Recognized At Michiquillay. Phyllitic (Sericite, Quartz, Pyrite); Argillic (Clay Minerals, Chlorite, Pyrite); Prophylitic Zone (Rare Tourmaline).

Mineral occurrence model information

Model code 53
USGS model code 17
Deposit model name Porphyry Cu
Mark3 model number 4

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
    Chronological age 46.4
    Dating method K-Ar
    Type of media Hornblende
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Goyllarisquisga Formation;Inca Formation;Chulec & Pariatambo Formation;Yamagual & Mutarrun Formations;;Uppermost Cajamarca Formation;
    Rock description Goyllarisquisga Formation;Inca Formation;Chulec & Pariatambo Formation;Yamagual & Mutarrun Formations;;Uppermost Cajamarca Formation;
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -78.29978, -7.04807
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Reg.Struct: An Inverse Fault Nw-Se That Dips 45-60 Deg. Ne.
Type of structure Local
Structure description Hualgayoc Fault, N.W. Direction And Encanada Fault N.E.

Ore body information

  • General form ELONGATED
    Length 3000M
    Width 1500M

Controls for ore emplacement

  • Intersection Of Hualgayoc And Encanada Faults

Comments on the geologic information

  • GEOL.COM: MICHIQUILLAY STOCK OUTCROPS COVER AN AREA 3 KM BY 1.5 KM ELONGATED NORTHEASTERLY

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Minero Peru
    Interest 51
  • Type Operator
    Owner Japanese Interests - Minero Peru
  • Type Owner
    Owner Michiquillay Copper Corp.
    Interest 49

Comments on the production information

  • ACTIVE PROSPECT.

Reserves and resources

  • Type In-situ
    Estimate year 1965
    Total resources 575000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.72 wt-pct Copper Major 1965

Comments on the reserve resource information

  • NO ADDITIONAL DATA IS AVAILABLE ON 12/72 TO MAKE RESOURCE ESTIMATE. IT MAY BE GREATER THAN RESERVES.
  • THE REPORTER CONSIDERS THE POTENTIAL RESOURCES TO BE MUCH GREATER THAN REPORTED HERE; POSSIBLY EQUAL TO THE PROVEN RESERVES
  • 400 MIL INVESTMENT IS ESTIMATED TO BRING PROPERTY INTO PRODUCTION. 0.35 G/MT AU IN HYPOGENE ORE.

Comments on the workings information

  • BEING DEVELOPED

Comments on development

  • EXPL.COM: DATA TAKEN FROM PRIVATE COMMUNICATIONS; SUMMARY REPORT WILL BE PUBLISHED IN BULL. 44 OF THE GEOLOGIC SOCIETY OF PERU ; TOTAL$: 00000745; KENYON E. RICHARD (ASARCO) WAS INSTRUMENTAL IN THE DISCOVERY. ; ECON.COM: EXPECTED AVERAGE CAPACITY (1977): 92000 MET TPY CU (99.98 %)

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    BUREAU DE RECHERCHES GEOLOGIQUES ET MINIERES, 1972; LES DIMENSIONES DES GESIMENTS DE CUIVRE DU MONDE: B.R.G.M. MEMOIRE NO.57 400P 5 PLATES

  • Deposit

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

  • Deposit

    LAUGHLIN,Q.W., DAMON,P.E., AND WATSON,B.N., 1968, POTASSIUM-ARGON DATES FROM TOQUEPALA AND MICHIQUILLY, PERU: ECONOMIC GEOLOGY, V. 63, NO. 2, P. 166.

  • Deposit

    HOLLISTER, V.F., AND SIRRAS, E.B., THE MICHIQUILLAY PORPHYRY COPPER DEPOSIT: MINERALIUM DEPOSITA, V. 9, P. 261-269.

  • Deposit

    U.S. EMBASSY, LIMA, 1993, MINERO PERU PRIVITIZATION PROGRESS, U.S. DEPARTMENT OF STATE CABLE, 10/93.

  • Deposit

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

  • Deposit

    1950 GEOLMAP BENVIDE

  • Reserve-Resource

    1) U.S.B.M. MINERALS YEARBOOK PERU PREPRINT 1970

General comments

Subject category Comment text
Deposit IN MICHIQUILLAY AREA THE STRATA STRIKE ABOUT EAST-WEST AND DIP SOUTH, BUT SOUTH OF THE AREA THE BEDS ARE HORIZONTAL AND NORTHEAST OF THE AREA A PREDOMINANT DOMAL STRUCTURE IS PRESENT
Deposit NEAR MICHIQUILLAY ARE CERRO QUESHPE (23), PUNRE (24) AND MILPO (25) - NUMBERS REFER TO METALLOGENIC MAPS OF PERU IDENTIFICATION NOS. SEE REF. F-1

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1973 Goudarzi, Gus H. (Theune, C. T.) U.S. Geological Survey
Updater 01-DEC-1993 Page, Norman J. U.S. Geological Survey
Updater 01-MAY-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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