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Mocoa

Past Producer in Putumayo**, Colombia with commodities Copper, Molybdenum
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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. Economic information about the deposit and operations
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10065213
MRDS ID TC40315
Record type Site
Current site name Mocoa

Geographic coordinates

Geographic coordinates: -76.66641, 1.2432 (WGS84)
Elevation 1475
Relative position 10 KM NORTH OF TOWN OF MOCDA.

Site location context

Political divisions (FIPS codes)

Putumayo**(province)

Colombia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Colombia Putumayo**

Comments on the location information

  • FLANKED BY QUEBRADAS CHAPULINA AND TOSOY.

Commodities

Commodity Importance
Copper Primary
Molybdenum Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Molybdenite Ore
Pyrite Ore
Anhydrite Gangue
Calcite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) K Silicate: K-Feldspar-Chlorite Facies; Deep And Central Zone Of Kspar-Phlogopite-Actinolite-Magnetite Facies Coinciding With Low Grade Core; Sericite Zone; Propylitic Halo Of Chlorite, Epidote, Calcite, Prehnite, And Pyrite.

Mineral occurrence model information

Model code 79
USGS model code 21a
Deposit model name Porphyry Cu-Mo
Mark3 model number 2

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Saldand Formation;Mocoa Batholith
    Rock description Saldand Formation;Mocoa Batholith
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Payande Formation;
    Rock description Payande Formation;

Nearby scientific data

(1) -76.66641, 1.2432
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1974
Discoverer Un-Ingeominas

Comments on the production information

  • PROSPECT, UNKNOWN ACTIVITY.

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Total resources 588735682000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.27 wt-pct Copper Major 1987
    Molybdenum Mo 0.061 wt-pct Molybdenum Major 1987
  • Type In-situ
    Estimate year 1984
    Total resources 50000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.3 wt-pct Copper Major 1984

Comments on the reserve resource information

  • ORE (1) CUT-OFF GRADE OF 0.25% CU AND 0.025% MO AT 0.5% CU COPPER EQUIVALENT. ORE (2) ESTIMATE OF ORE IN BRECCIAS.

Comments on development

  • GEOCHEMICAL EXPLORATION BY UNITED NATIONS (UN) AND INSTITUTO NACIONAL DE INVESTIGACIONES GEOLOGICO MINERAS OF COLOMBIA (INGEOMINAS) (1973-1976) IDENTIFIED MINERALIZATION AND DEFINED OCCURRENCE OF MOLYBDENITE, COPPER STAINING AND 2 MO-CU-ZN ANOMALIES. SECOND PHASE (1977) OF UN-INGEOMINAS BETTER DEFINED THE GEOCHEMICAL ANOMALIES, FOCUSED ON SERICITE ZONE, AND LEACHED CAP LEAD TO DRILLING IN 1978 THAT INTERSECTED CU-MO MINERALIZATION, INCLUDING A ZONE OF 90 M OF 1.54% CU AND 0.23% MO. 1978-1984, DRILLED 12 HOLES (555-915 M) AND 15 (240-400 M) FOR 15000 M IN SERICITE ZONE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 300 M BEYOND PYRITE HALO TO SW THERE IS A SPHALERITE-HEDENBERGITE-GARNET-PYRITE SKARN IN PAYANDE LIMESTONE, ALSO IN ZN-POOR PART IS MORE EPIDOTE, CHALCOPYRITE, MAGNETITE, WOLLASTONITE. ABOUT 1 KM SOUTH OF PYRITE HALO THERE IS A GARNET-DIOPSIDE-EPIDOTE-PYRITE-CHALCOPYRITE-SPHALERITE-MAGNETITE-SPECULARITE SKARN. BOTH ARE RELATED TO PORPHYRY SYSTEM.
Deposit Discovery Year: 1973-1976

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1993 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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