| Deposit ID | 10085460 |
|---|---|
| MRDS ID | W701051 |
| Record type | Site |
| Current site name | Punta Guanajibo Deposits 1 & 2 |
| Geographic coordinates: | -67.17642, 18.16456 (WGS84) |
|---|---|
| Relative position | DEPOSIT LIES AT NORTHWEST END OF GUANAJIBO ANTICLINE ON THE CARIBBEAN COAST. A COVER OF SILTSTONE SEPARATES THIS DEPOSIT FROM THE GUANAJIBO AT THE SURFACE AND ALSO DIVIDES IT INTO TWO PARTS-DEPOSITS 1 AND 2. |
Political divisions (FIPS codes)
Mayagüez Municipio(county)
Puerto Rico(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mayaguez(quadrangle 1:24,000 scale)
Puerto Rico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Culebrinas-Guanajibo(hydrologic unit)
Puerto Rico(hydrologic accounting unit)
Puerto Rico(hydrologic subregion)
Caribbean(hydrologic region)
| Country | State |
|---|---|
| United States | Puerto Rico |
| Commodity | Importance |
|---|---|
| Nickel Critical | Primary |
| Iron | Primary |
| Cobalt Critical | Primary |
| Chromium Critical | Primary |
| Model code | 110 |
|---|---|
| USGS model code | 38a |
| Deposit model name | Lateritic Ni |
| Host or associated | Associated |
|---|---|
| Rock type | Metamorphic Rock > Serpentinite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Serpentinite |
| (1) | -67.17642, 18.16456 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Type | In-situ | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1959 | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W701051 |
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.
HEIDENREICH, W. L., AND REYNOLDS, B. M., 1959, NICKEL-COBALT-IRON-BEARING DEPOSITS IN PUERTO RICO: U. S. BUREAU OF MINES REPT. INV. 5532, P. 6, 16, 31.
| Subject category | Comment text |
|---|---|
| Deposit | DEPOSIT 1 COVERS ABOUT 80 ACRES. THE ENRICHED ZONE IS ABOUT 3,500 FEET LONG NORTHWEST-SOUTHEAST AND HAS A MAXIMUM WIDTH OF 1,200 FEET. IT IS SURROUNDED BY ERODED, BARREN SERPENTINITE. THE LATERITE AND SOFT SERPENTINE IN DEPOSIT 1 AVERAGE 9 AND 20 FEET, RESPECTIVELY, IN THICKNESS. THE ENRICHED ZONE HAS AN AVERAGE THICKNESS OF ABOUT 10.5 FEET, 3 FEET OF WHICH IS LATERITE AND 7.5 FEET SOFT SERPENTINE. DEPOSIT 2 IS ON A SUBDOME ABOUT 700 FEET SOUTH OF THE EAST END OF DEPOSIT 1. THIS DEPOSIT IS ABOUT 1,200 FEET LONG AND HAS A MAXIMUM WIDTH OF 700 FEET. THE LATERITE AND SERPENTINE IN DEPOSIT 2 AVERAGE 15 AND 8 FEET, RESPECTIVELY, IN THICKNESS; NONE OF THE INTERVAL SAMPLES FROM HOLES DRILLED IN AND ABOUT THIS DEPOSIT SHOWED ENRICHMENT AS HIGH AS 0.6 PERCENT NICKEL. |
| Deposit | [PREVIOUS UPDATER AND DATE: BAWIEC, WALTER J., 90 08.] |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1990 | Paidakovich, Matthew E. | U.S. Geological Survey | |
| Updater | 01-JUL-1991 | Paidakovich, Matthew E. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.