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  3. Mineral Resource Data System (MRDS)

Borinquen

Occurrence in Puerto Rico, United States with commodity Copper
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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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10023031
MRDS ID GEM1111
Record type Site
Current site name Borinquen

Geographic coordinates

Geographic coordinates: -66.03278, 18.16733 (WGS84)
Relative position FOUR MILES SOUTH OF CAGUAS

Site location context

Political divisions (FIPS codes)

Caguas(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Caguas(quadrangle 1:24,000 scale)

Puerto Rico C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Eastern(hydrologic unit)

Puerto Rico(hydrologic accounting unit)

Puerto Rico(hydrologic subregion)

Caribbean(hydrologic region)

Geographic areas

Country State
United States Puerto Rico

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Gangue
Pyrite Unknown

Alteration

  • (Local) Garnet, Epidote

Analytical data

Result SOIL SURVEY FOR COPPER

Mineral occurrence model information

Model code 59
USGS model code 18b
Deposit model name Skarn Cu
Mark3 model number 8

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Caguas
    Rock description Caguas
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -66.03278, 18.16733
ListMap

Economic information

Ore body information

  • General form EAST - WEST MAGNETIC ANOMALY
    Strike EAST - WEST
    Dip 30 NORTH
    Length 762M
    Width 152.4M

Controls for ore emplacement

  • Adjacent Of Stock, Partly Covered By Young Gravels

Comments on the geologic information

  • CONSIDERABLE GRAVEL AND LANDSLIDE COVER

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1963
Discoverer A.D.Fraser,

Ownership information

  • Type Owner
    Owner Freeport
    First year 1965

Reference information

Bibliographic references

  • Deposit

    BERGEY, W.R., 1963, REPORT ON THE BORINQUEN AEROMAGNETIC AREA: A.D. FRASER PRIVATE REPORT ON FILE AT THE DEPARTMENT OF NATURAL RESOURCES, PUERTO RICO.

  • Deposit

    FLINT, D., 1965, FREEPORT EXPLORATION COMPANY, PUERTO RICO COPPER EXPLORATION, MAY 29, 1964 THROUGH DECEMBER 4, 1964, FINAL REPORT: FREEPORT EXPLORATION COMPANY PRIVATE REPORT ON FILE AT THE DEPARTMENT OF NATURAL RESOURCES, PUERTO RICO.

  • Deposit

    FREEPORT DRILLED TWO HOLES UNDER STRONG MAGNETIC HIGH = DISSEMENTATED MAGNETITE IN AMPHIBOLIT

General comments

Subject category Comment text
Deposit MAGNETIC HIGH (1000 GAMMA GROUND MAGNETIC ANOMALY) ASSOCIATED WITH SOIL GEOCHEMISTRY
Deposit LIMITED POTENTIAL FOR GOLD AND COPPER ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1990 Mckelvey, G.E. U.S. Geological Survey

Beyond USGS

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

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