| Deposit ID | 10007883 |
|---|---|
| MRDS ID | CS00117 |
| Record type | Site |
| Current site name | Punta Gorda Prospect |
| Alternate or previous names | Matapalo Prospect |
| Geographic coordinates: | -85.75274, 10.52189 (WGS84) |
|---|
Political divisions (FIPS codes)
Guanacaste(province)
Costa Rica(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Costa Rica | Guanacaste |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Copper | Primary |
| Zinc Critical | Primary |
| Cobalt Critical | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Goethite | Gangue |
| Hematite | Gangue |
| Jarosite | Gangue |
| Limonite | Gangue |
| Result | 51 % FE |
|---|---|
| Result | 36 % S. FOR 25 SAMPLES OF SULFIDE ORE, GRADES ARE 0.53-5.48 % CU, 100-950 PPM ZN, 62-330 PPM CO |
| Result | FOR TWO SAMPLES OF LIMONITIZED SEDIMENTARY ROCK, GRADES ARE 0.30-0.51 % CU, 1350-2300 PPM ZN, 40-44 PPM CO |
| Result | AVERAGE GRADES OF TEN SAMPLES (IT IS UNCLEAR WHICH SAMPLES THESE ARE) ARE 0.96-2.84 % CU, 265-776 PPM ZN, 136-220 PPM CO. |
| Model code | 90 |
|---|---|
| USGS model code | 24a |
| Deposit model name | Massive sulfide, Cyprus |
| Mark3 model number | 11 |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt |
| (1) | -85.75274, 10.52189 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Sub-Vertical Faults |
| General form | TABULAR TO LENTICULAR |
|---|---|
| Strike | N 60 E |
| Dip | 80 NW |
| Thickness | 2M |
| Length | 4.5M |
| Width | 3.5M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | CS00117 |
FLORES R., W. S., 1976, ESTUDIO GEOLOGICO RELACIONADO CON UNA MINERALIZACION DE SULFUROS EN PUNTA GORDA, NICOYA, COSTA RICA: TESIS DE GRADO, UNIVERSIDAD DE COSTA RICA, 35 P.
ORGANIZACION DE LOS ESTADOS AMERICANOS, 1978, DIAGNOSTICO DEL SECTOR MINERO: SAN JOSE, ORGANIZACION DE LOS ESTADOS AMERICANOS, P. 36-37.
U.S. GEOLOGICAL SURVEY, DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS, UNIVERSIDAD DE COSTA RICA, 1987, MINERAL RESOURCE ASSESSMENT OF THE REPUBLIC OF COSTA RICA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATION SERIES MAP I-1865, 75 P.
| Subject category | Comment text |
|---|---|
| Deposit | THE MINERALIZED ZONE IS AT THE CONTACT BETWEEN BASALT AND SILICEOUS SEDIMENTARY ROCKS. IT IS APPARENTLY LIMITED BY BUT NOT DIRECTLY RELATED TO SUB-VERTICAL FAULTS. THE SULFIDE ZONE LIES BENEATH AN E-TRENDING GOSSAN THAT IS UP TO EITHER 15 M OR 170 M LONG (DEPENDING ON SOURCE) AND 12 M THICK. |
| Deposit | THIS SITE WAS VISITED BY USGS SCIENTISTS IN 1986. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1986 | Howe, Stephen S. | U.S. Geological Survey | PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD |
| Editor | 27-APR-1995 | Mosier, Dan | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.