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Tres Mosqueteros Mine

Past Producer in Cajamarca, Peru with commodities Copper, Silver, 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. 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. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10080323
MRDS ID W031442
Record type Site
Current site name Tres Mosqueteros Mine

Geographic coordinates

Geographic coordinates: -78.60951, -6.74587 (WGS84)
Elevation 3750
Location accuracy 1000(meters)
Relative position 7 KM N54W OF HUALGAYOC

Site location context

Political divisions (FIPS codes)

Cajamarca(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Cajamarca

Commodities

Commodity Importance
Copper Primary
Silver Primary
Antimony Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Chrysocolla Ore
Enargite Ore
Malachite Ore
Pyrite Ore

Alteration

  • (Local) Silicification

Analytical data

Result 8.33% CU, 2.03 OZ/ST AG.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Pariahuanca-Crisnejas
    Rock description Pariahuanca-Crisnejas

Nearby scientific data

(1) -78.60951, -6.74587
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Economic information

Geologic structures

Type of structure Regional
Structure description Contact Strikes N10w, Dips Vertically

Ore body information

  • General form TABULAR
    Strike N40W TO N75W
    Dip 80N TO VERTICAL
    Thickness 5M
    Length 600M
    Width 25M

Controls for ore emplacement

  • Cross-Cutting Shear Zones In Contact Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Hualgayoc Mining District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Condomino Tres Mosqueteros.

Workings at the site

  • Type of workings Underground
    Length 110M
    Overall depth 25M
    Overall length 548.64M
    Overall width 100M

Reference information

Bibliographic references

  • Deposit

    ERICKSEN, G.E., 1954, GEOLOGY OF THE HUALGAYOC MINING DISTRICT, DEPARTAMENTO DE CAJAMARCA, PERU: NEW YORK, COLUMBIA UNIVERSITY PHD THESIS, 239 P.

  • Deposit

    ALARCON G., J., 1974, INFORME TECNICO MINA TRES MOSQUETEROS, VOLARE Y OTRAS: SOCIEDAD DE SERVICIOS MINEROS HUALGAYOC S.A., INGEMMET B2251.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-81 Ericksen, George E. U.S. Geological Survey
Updater 05-AUG-94 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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