| Deposit ID | 10085463 |
|---|---|
| MRDS ID | W701054 |
| Record type | Site |
| Current site name | Rosario North Deposit |
| Geographic coordinates: | -67.02865, 18.16316 (WGS84) |
|---|---|
| Relative position | THE DEPOSIT, WHICH IS IN THREE SEPARATE PARTS, LIES ABOUT 8 MILES EAST-SOUTHEAST OF MAYAGUEZ. |
Political divisions (FIPS codes)
San Germán Municipio(county)
Puerto Rico(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Rosario(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 | Host |
|---|---|
| Rock type | Metamorphic Rock > Serpentinite |
| (1) | -67.02865, 18.16316 |
|---|
| 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 | W701054 |
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. 25, 31.
| Subject category | Comment text |
|---|---|
| Deposit | THE THREE SEGMENTS OF THE DEPOSIT ARE EROSIONAL REMNANTS OF A LARGER CONTINUOUS DEPOSIT. THEY LIE ON THE CREST OF A HORSESHOE-SHAPED RIDGE AT THE HEAD OF A STEEP GULCH. ONLY THE LARGEST OF THE THREE SEGMENTS WAS ACCESSIBLE TO THE DRILL, SO THE OTHER TWO WERE NOT TESTED. THE ENRICHED ZONE IN THE DEPOSIT BEGINS AT THE SURFACE, WHERE TESTED, AND HAS AN AVERAGE THICKNESS OF 22.5 FEET, OF WHICH 2.5 FEET IS LATERITE AND 20 FEET SOFT SERPENTINE. THE SOFT SERPENTINE BELOW THE ENRICHED ZONE IN THE TWO HOLES DRILLED AVERAGES 8 FEET IN THICKNESS. |
| 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.