Acari Copper Deposit 9

Producer in Arequipa, Peru with commodity Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10068907
MRDS ID W002179
Record type Site
Current site name Acari Copper Deposit 9
Alternate or previous names Santa Rosa, Purisma, Genova, Portezuela

Geographic coordinates

Geographic coordinates: -74.63301, -15.24775 (WGS84)
Elevation 1800
Relative position MINES ARE ON THE RIDGE WEST OF THE RIO ACARI VALLEY 20-23 KM NNW OF THE TOWN OF ACARI IN THE PROVINCE OF CARAVELI(YANCA SHEET).

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

  • NO. 9 ON METALLOGENIC MAPS OF PERU, 1969

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • GANGUE MINERALS ARE MAGNETITE, PYRITE, HEMATITE, ACTINOLITE, QUARTZ, CALCITE, TOURMALINE

Materials information

Materials Type of material
Atacamite Ore
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Cuprite Ore
Malachite Ore
Actinolite Gangue
Calcite Gangue
Hematite Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Huaylillas Formation (Clastica, Tuff)
    Rock description Huaylillas Formation (Clastica, Tuff)
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -74.63301, -15.24775

Economic information

Ore body information

  • Strike N50-80W
    Dip 70-80 DEG NE
    Length 750M
    Width 1M
    Depth to bottom 80M

Controls for ore emplacement

  • Faulting.

Comments on the geologic information

  • THE PRINCIPAL ROCK OF THE AREA IS MEDIUM- TO COARSE-GRAINED GRAY GRANODIORITE OF THE COASTAL BATHOLITH, WHICH IN THE MINE AREA IS CUT BY TONGUES AND DIKES OF COARSE GRAINED PINK GRANITE. THESE PLUTONIC ROCKS ARE OVERLAIN LOCALLY BY CONGLOMERATE, SANDSTONE, AND ARKOSE, WHITE TUFF, AND GLASSY ANDESITES.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1877
Discoverer Chilean Minera (To 1879)
Production years 1877-9, 1884-6, 1907-18

Ownership information

  • Type Owner
    Owner Compania Minera Cata S. A.

Comments on the production information

  • 2500 TONS ORE 20-25% CU.

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Total resources 678300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 2.57 wt-pct Copper Major 1974

Comments on the reserve resource information

  • 1) ONLY FOR VETA LA VERDE MINE, KEY-DAY 3/31/74
  • ONLY FOR VETA LA VERDE MINE, KEY-DAY 3/31/74

Comments on the workings information

  • OPEN CUTS 100-300M LONG, 80M DEEP, ONE 100M ADIT.

Reference information

Bibliographic references

  • Deposit

    SIMONS, FRANK, 1958, UNPUBLISHED USGS PROFESSIONAL PAPER , P. 593-5.

  • Deposit

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

  • Deposit

    RAIMONDI, ANTONIO, 1898, MINA DE COBRE LLAMADA DE SAN PEDRO DE PAMPA COLORADA: SOC. GEOG. LIMA BOL., V. 8, P. 179-181

  • Deposit

    1960 COMPILE FRANK SIMONS, UNPUB. REP

  • Production

    SIMONS (1958).

General comments

Subject category Comment text
Deposit VEIN WALLS MARKED BY GOUGE AND BRECCIA, CHALCOPYRITE ASSOCIATED WITH MAGNETITE, PYRITE, AMPHIBOLE, OXIDATION OF VEINS EXTENDS 10-20M DEEP, UP TO 100 M IN SANTA ROSA VEIN TI THE EAST.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1973 Shaffer, Glenn L. (Theune, C. T.) U.S. Geological Survey
Updater 01-JUL-1993 Unkefer, J. U.S. Geological Survey

Beyond USGS

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