Rio Cuyon

Occurrence in Puerto Rico, United States with commodities Copper, Molybdenum
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. Economic information about the deposit and operations
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10085548
MRDS ID W701159
Record type Site
Current site name Rio Cuyon

Geographic coordinates

Geographic coordinates: -66.24529, 18.11177 (WGS84)

Site location context

Political divisions (FIPS codes)

Aibonito Municipio(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cayey(quadrangle 1:24,000 scale)

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

Hydrologic units (watersheds)

Southern(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
Molybdenum Secondary

Comments on the commodity information

  • SURFACE OXIDE ZONE APPEARS ENRICHED IN COPPER = NOT DUPLICATED AT DEPTH

Materials information

Materials Type of material
Chalcopyrite Ore
Epidote Gangue
Garnet Gangue
Magnetite Gangue

Alteration

  • (Local) Quartz-Sericite

Analytical data

Result SOIL SURVEY TO 4000 PPM MO, CU TO 1500 PPM

Mineral occurrence model information

Model code 53
USGS model code 17
Deposit model name Porphyry Cu
Mark3 model number 4

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -66.24529, 18.11177

Economic information

Ore body information

  • Length 304.8M
    Width 274.32M
    Depth to top 0M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner
    Owner Freeport, 1964

Comments on development

  • DRILLED FOUR HOLES IN GEOCHEM ZONE = TRACE OF COPPER AND MINOR PYRITE

Reference information

Bibliographic references

  • Deposit

    COX, DENNIS P., AND BRIGGS, REGINALD P., 1973, METALLOGENIC MAP OF PUERTO RICO: U.S. GEOLOGICAL SURVEY, MISCELLANEOUS GEOLOGIC INVESTIGATIONS MAP I-721, ACCOMPANIED BY EXPLANATORY PAMPHLET, 6 P.

  • Deposit

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

General comments

Subject category Comment text
Deposit FAULT / CONTACT ZONE BETWEEN QUARTZ DIORITE PORPHYRY AND VOLCANIC ROCKS = FOUR AREAS WITH COPPER IN SOILS AND ROCKS
Deposit DRILLING FOUND LITTLE ENCOURAGEMENT FOR COPPER PORPHYRY MINERALIZATION. GOLD POTENTIAL IS UNTESTED, HOWEVER NOT CONSIDERED HIGH. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1990 Paidakovich, Matthew E. U.S. Geological Survey
Updater 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.