| Deposit ID | 10023032 |
|---|---|
| MRDS ID | GEM1113 |
| Record type | Site |
| Current site name | Rosario |
| Geographic coordinates: | -67.08281, 18.134 (WGS84) |
|---|---|
| Relative position | NEAR TOWN OF ROSARIO, SW WEST 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 |
|---|---|
| Copper | Primary |
| Gold | Secondary |
| Materials | Type of material |
|---|---|
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | COPPER TO 6572 PPM IN ROCK SAMPELS |
|---|
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite | ||
| |||
| (1) | -67.08281, 18.134 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | N 50 W |
| General form | LINERAR ZONE BETWEEN VOLCANICS AND LIMESTONE |
|---|---|
| Strike | N 50 W |
| Dip | 90 |
| Length | 2413.95M |
| Width | 804.65M |
| Depth to top | 0M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1959 |
| Discoverer | A.D. Fraser, |
| District name | Cabo Rojo |
|---|
| Type | Owner |
|---|---|
| Owner | Phelps Dodge Corp. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | GEM1113 |
LUDDEN. R.B., 1961, REPORT ON GEOLOGIC RECONNAISANCE IN THE CABO ROJO AND SAN GERMAN-SABANA GRANDE PERMIT AREA, PUERTO RICO: PHELPS DODGE PRIVATE REPORT ON FILE AT THE DEPARTMENT OF NATURAL RESOURCES, PUERTO RICO.
VOLCKMANN, R.P., 1984, UPPER CRETACEOUS STRATIGRAPHY OF SOUTHWEST PUERTO RICO: A REVISION, IN STRATIGRAPHIC NOTES, 1983, 1537-A OF CONTRIBUTIONS TO STRATIGRAPHY, BULLETIN: ALEXANDRIA, VA, U.S. GEOLOGICAL SURVEY, P. 83.
PHELPS DODGE, SAMPLING, MAPPIN
| Subject category | Comment text |
|---|---|
| Deposit | LARGE AREA OF POORLY MINERALIZED, INTENSLY ALTERED VOLCANICS |
| Deposit | LIMITED POTENTIAL FOR PRECIOUS METALS, POSSIBLE HIDDEN COPPER POTENTIAL UNDER QUARTZ - SERICITE 'LITHOCAP'. ; INFO.SRC : 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1990 | Mckelvey, G.E. | U.S. Geological Survey | |
| Updater | 01-JUL-1991 | Schellekens, J.H. | University of Puerto Rico |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.