Humacao Copper Prospect

Occurrence in Puerto Rico, United States with commodities Copper, Iron, 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. Controls for ore emplacement
  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 10086453
MRDS ID WALT004
Record type Site
Current site name Humacao Copper Prospect

Geographic coordinates

Geographic coordinates: -65.86612, 18.18399 (WGS84)
Relative position ONE AND ONE HALF MILES N35W FROM HUMACAO

Site location context

Political divisions (FIPS codes)

Las Piedras Municipio(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Humacao(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
Copper Primary
Iron Primary
Molybdenum Primary

Comments on the commodity information

  • CHALCOPYRITE, BORNITE, AND MALACHITE OCCURS IN WIDESPREAD FINE VEINLETS AND SHEAR ZONES IN GRANODIORITE

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Cubanite Ore
Malachite Ore
Pyrite Ore

Alteration

  • (Local) Rare Hydrothermal Alteration

Analytical data

Result CHEM ASSAYS: 0.267% CU
Result 0.009% MOS2

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 Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -65.86612, 18.18399

Economic information

Controls for ore emplacement

  • Contact Between Intrusive And Volcanic Rock

Comments on the geologic information

  • MINERALIZATION AT CONTACT BETWEEN INTRUSIVE GRANODIORITE AND ANDESITIC VOLCANIC ROCKS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    LUDDEN, R.B., 196X, REPORT ON GEOLOGIC RECONNAISSANCE IN THE NAGUABO-HUMACAO PERMIT AREA; BY SHOWLOW MINES CORP., IN DEPT. OF NATURAL RESOURCES, PUERTO RICE

General comments

Subject category Comment text
Deposit AT CONTACT BETWEEN INTRUSIVE AND VOLCANIC ROCK, COPPER MINERALIZATION OCCURS AS FINE VEINLETS IN THE GRANODIORITE

Reporter information

Type Date Name Affiliation Comment
Reporter 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.