Barranquitas Prospect

Occurrence in Puerto Rico, United States with commodities Gold, Copper
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 10085511
MRDS ID W701109
Record type Site
Current site name Barranquitas Prospect

Geographic coordinates

Geographic coordinates: -66.3089, 18.20205 (WGS84)

Site location context

Political divisions (FIPS codes)

Barranquitas Municipio(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Barranquitas(quadrangle 1:24,000 scale)

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

Hydrologic units (watersheds)

Puerto Rico(hydrologic accounting unit)

Puerto Rico(hydrologic subregion)

Caribbean(hydrologic region)

Geographic areas

Country State
United States Puerto Rico

Commodities

Commodity Importance
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Pyrite Ore

Alteration

  • (Local) Argillic Or Propylitic; Quartz-Sericite

Analytical data

Result SOIL SAMPLES AU .2 OZ/TON
Result AG 2 OZ./TON
Result CU 1400 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 Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -66.3089, 18.20205

Economic information

Controls for ore emplacement

  • Fault Controlled (Orocovis Thrust Fault)

Comments on the geologic information

  • BARRANQUITAS STOCK OCCURS AT THE INTERSECTION OF REGIONAL NORTHWEST TRENDING FAULTS. A BLANKET OF LATERITIC SOIL, WHICH IS REPORTEDLY GOLD-BEARING, OVERLIES THE SOUTHEASTERN PART OF THE BARRANQUITAS STOCK AND MUCH OF THE PYRITE-QUARTZ-SERICITE ROCK.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on development

  • PROSPECT. ; ECON.COM: AREA DRILLED BY FREEPORT EXPLORATION IN 1964; NO ECONOMIC MINERALIZATION ENCOUNTERED.

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.,1962, REPORTS ON THE BARRANQUITAS GOLD-COPPER PROSPECT; DEPT. OF NATURAL RESOURCES, PUERTO RICO

  • Deposit

    FLINT, DELOS E.,1965, FREEPORT EXPLORATION COMPANY - FINAL REPORT; DEPT OF NATURAL RESOURCES, PUERTO RICO.

  • Deposit

    BARNETT, C.T., 1971, INDUCED POLARIZATION SURVEY - PUERTO RICO; OCEANIC EXPLORATION COMPANY; DEPT. OF NATURAL RESOURCES, PUERTO RICO

  • Deposit

    BRIGGS, R. P., AND GELABERT, P. A., 1962, PRELIMINARY REPORT OF THE GEOLOGY OF THE BARRANQUITAS QUADRANGLE, PUERTO RICO: U. S. GEOLOGICAL SURVEY MISC. GEOL. INV. MAP I-336, SHEET 2.

General comments

Subject category Comment text
Deposit MASS OF ROCK IN THIS AREA APPEARS TO HAVE BEEN FRACTURED, THEN SILICIFIED AND IMPREGNATED WITH PYRITE,BECAME IMPERMEABLE TO SOLUTIONS, AND THE COPPER-BEARING SOLUTIONS SEEPED PAST. [PREVIOUS UPDATER AND DATE: BAWIEC, WALTER J., 90 07.] ; 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-AUG-1991 Paidakovich, Matthew E. U.S. Geological Survey

Beyond USGS

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