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  3. Mineral Resource Data System (MRDS)

Unnamed 38-6

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

Geologic information

Identification information

Deposit ID 10085519
MRDS ID W701120
Record type Site
Current site name Unnamed 38-6
Alternate or previous names Mamey Limestone Deposits

Geographic coordinates

Geographic coordinates: -65.95334, 18.24399 (WGS84)

Site location context

Political divisions (FIPS codes)

Gurabo Municipio(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juncos(quadrangle 1:24,000 scale)

Puerto Rico(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
Iron Primary
Copper Primary
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Hematite Ore
Magnetite Ore

Alteration

  • (Local) Kaolinization

Mineral occurrence model information

Model code 62
USGS model code 18d
Deposit model name Skarn Fe

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate

Nearby scientific data

(1) -65.95334, 18.24399
ListMap

Economic information

Ore body information

  • Strike EAST-WEST
    Dip NORTH

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on development

  • MINERAL OCCURRENCE

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

    BERGEY, W.R.,1958, REPORT ON THE MINERAL DEPOSITS OF GURABO AREA, CAGUAS CONCESSION; IN REPOSITORY OF THE DEPT. OF NATURAL RESOURCES, PUERTO RICO

General comments

Subject category Comment text
Deposit SHEAR ZONES WITHIN VOLCANIC ROCKS HAVE BEEN HIGHLY ALTERED(KAOLINIZED) AND CONTAIN COPPER AND GOLD.

Reporter information

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