Chapi

Producer in Arequipa, Peru with commodities Copper, Silver
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. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10068771
MRDS ID W002021
Record type Site
Current site name Chapi
Alternate or previous names Chapi Mine
Related records 10158446

Geographic coordinates

Geographic coordinates: -71.33292, -16.7477 (WGS84)
Elevation 2500
Relative position 50 KM S. SE OF AREQUIPA

Site location context

Political divisions (FIPS codes)

Arequipa(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Arequipa

Comments on the location information

  • LOCATION MEASURED APPROXIMATELY TO THE CENTER OF DEPOSIT FROM METALLOGENIC MAPS OF PERU. NO. 28 NEAR MINAS THE CHAPI ARE OTHER DEPOSITS ACARI (34), BOTIJA (33) SULULCA (38) AND SAN JOSE (27)

Commodities

Commodity Importance
Copper Primary
Silver Secondary

Comments on the commodity information

  • AT DEPTHS DISSEMINATED CHALCOPYRITE, CHALCOCITE APPEAR IN AN EPIDOTIZED SHALE BED CONTAINING 1% CU.

Materials information

Materials Type of material
Limonite Ore
Malachite Ore

Alteration

  • (Local) Host Rock Has Been Intensely Altered.

Nearby scientific data

(1) -71.33292, -16.7477

Economic information

Controls for ore emplacement

  • Strongest Mineralization Adjacent To Transverse Fissures In Disseminated Deposits In Quartzites. Few Deposits Along Faults

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1920

Ownership information

  • Type Operator
    Owner Minas De Cobre De Chapi De Peru Sa
  • Type Owner
    Owner Compania Minera De Chapi

Production statistics

  • Year 1973
    Material ?
    Description Ap_Grade: ^2.4 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 2wt-pct

Comments on the production information

  • BASED ON ABOUT 90% RECOVERABLE COPPER AT 240,000 TONS ANNUAL PRODUCTION ESTIMATED BY REPORTER 2/73

Comments on the reserve resource information

  • 2/73 ESTIMATED BY REPORTER TO HAVE 10 YEARS PROVEN RESERVES TO SUSTAIN 240,000 TONS ANNUAL PRODUCTION
  • ESTIMATED BY REPORTER 2/73. ESTIMATE PROBABLY TOO CONSERVATIVE
  • ESTIMATED BY REPORTER TO HAVE POTENTIAL RESOURCES EQUIVALENT TO THE PRESENT DAY DEMONSTRATED RESERVES 2/73. ESTIMATES PROBABLY CONSERVATIVE

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

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

  • Deposit

    SIMONS, F.S., 1960, COMPILATION: U.S. GEOLOGICAL SURVEY UNPUBLISHED REPORT, P. 906-911.

  • Deposit

    1960 COMPILE FRANK SIMONS UNPUBLISHED REPOR

  • Production

    U.S.B.M. MINERALS YEARBOOK 1968 VOL. 4 P. 588

General comments

Subject category Comment text
Deposit THE MANTOS AVERAGE 1 TO 2 METERS THICK AND ARE AS MUCH AS 500 M LONG AVERAGING 250 METERS. AT LEAST 20 MANTOS WERE RECOGNIZED BY 1952. SIX MANTOS IN ATAHUALPA III AREA - 4 AT ATAHULPA I - 5 AT CUPRITA OR TRIUNFO AND 5 AT ATAHUALPA. ACCORDING TO SOME INTERPRETATIONS, THE MANTOS ARE LOCALIZED ALONG BEDDING, THRUST FAULTS OF SMALL DISPLACEMENT THAT DIP 15 TO 30 DEGREES TO SOUTHWEST

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1973 Goudarzi, Gus H. U.S. Geological Survey
Updater 01-JUN-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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