| Deposit ID | 10096716 |
|---|---|
| MRDS ID | W701133 |
| Record type | Site |
| Current site name | Palmarejo |
| Alternate or previous names | Quemad |
| Geographic coordinates: | -67.0817, 18.04873 (WGS84) |
|---|---|
| Relative position | .5 TO 3 KM NW FROM PLAMERIJO |
Political divisions (FIPS codes)
Lajas Municipio(county)
Puerto Rico(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
San German(quadrangle 1:24,000 scale)
Puerto Rico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Southern(hydrologic unit)
Puerto Rico(hydrologic accounting unit)
Puerto Rico(hydrologic subregion)
Caribbean(hydrologic region)
| Country | State |
|---|---|
| United States | Puerto Rico |
| Commodity | Importance |
|---|---|
| Gypsum-Anhydrite | Primary |
| Copper | Primary |
| Gold | Primary |
| Mercury | Primary |
| Materials | Type of material |
|---|---|
| Gypsum | Ore |
| Pyrite | Gangue |
| Result | COPPER TO 150 PPM, HG TO 1050 PPB, TRACE OF AU |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Serpentinite | ||
| |||
| (1) | -67.0817, 18.04873 |
|---|
| Length | 1524M |
|---|---|
| Width | 609.6M |
| Depth to top | 0M |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1957 |
| Discoverer | A.D. Fraser |
| Type | Owner |
|---|---|
| Owner | Cominco American Resources |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W701133 |
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.
LUDDEN, R.B., 1961, PREPORT ON GEOLOGIC RECONNAISSANCE IN CABO ROJO AND SAN GERMAN-SABANA GRANDE PERMITE AREA, PUERTO RICO: PHELPHS DODGE PRIVATE REPORT ON FILE AT THE DEPARTMENT OF NATURAL RECOURSES, PUERTO RICO.
| Subject category | Comment text |
|---|---|
| Deposit | THE GEOCHEMISTRY SHOWN IN THE FILES DOES NOT POINT TO A TARGET FOR EITHER GOLD OR BASE METALS. IF A COPER SYSTEM IS PRESENT IT WOULD BE AT DEPTH IN A BIOTITE OR K-SPAR ZONE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Deposit | LARGE AREAS OF ALTERATION AND INTENSE STOCKWORK QUARTZ VEIN CROSS CUTTING THE HOST SERPENTINITES AND COVERED BY UNALTERED LIMESTONES. THE OCCURENCES ALIEGN N 45 W. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1990 | Paidakovich, Matthew E. | U.S. Geological Survey | |
| Updater | 01-JUL-1990 | Mckelvey, G.E. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.