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  3. Mineral Resource Data System (MRDS)

Emajagua

Occurrence in Puerto Rico, United States with commodity Iron
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10111562
MRDS ID W701165
Record type Site
Current site name Emajagua

Geographic coordinates

Geographic coordinates: -66.04863, 18.02678 (WGS84)

Site location context

Political divisions (FIPS codes)

Arroyo Municipio(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Patillas(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
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore
Epidote Gangue
Garnet Gangue
Quartz Gangue

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 > Clastic Sedimentary Rock > Conglomerate
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Nearby scientific data

(1) -66.04863, 18.02678
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Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

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

    PUERTO RICO BUREAU OF MINES,1941, REPORT OF THE BUREAU OF MINES ON THE MINERAL RESOURCES OF PUERTO RICO, AN APPENDIX TO THE ANNUAL REPORT OF THE BUREAU OF MINES FOR THE FISCAL YEARS 1939-1941: SAN JUAN, BUR. SUPPLIES, PRINTING, AND TRANSPORTATION, 52 P.

General comments

Subject category Comment text
Deposit ORE IS EVIDENCED PRINCIPALLY AS FLOAT AND THERE IS LITTLE EVIDENCE OF AN OUTCROP IN PLACE. THE DEPOSIT SEEMS TO BE A THIN LOW-DIPPING BED, THE TRUNCATED EDGE OF WHICH FOLLOWS THE CREST OF A SPUR.
Deposit [PREVIOUS UPDATER AND DATE: BAWIEC, WALTER J., 90 08.]

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1990 Paidakovich, Matthew E. U.S. Geological Survey
Updater 01-OCT-1991 Paidakovich, Matthew 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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