| Deposit ID | 10007813 |
|---|---|
| MRDS ID | CS00030 |
| Record type | Site |
| Current site name | El Zapotalillo Occurrence |
| Alternate or previous names | Puerto Viejo Occurrence, Zapotillal Occurrence, Playa Real Mines |
| Geographic coordinates: | -85.83469, 10.39551 (WGS84) |
|---|
Political divisions (FIPS codes)
Guanacaste(province)
Costa Rica(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Costa Rica | Guanacaste |
| Commodity | Importance |
|---|---|
| Manganese Critical | Tertiary |
| Model code | 97 |
|---|---|
| USGS model code | 24c |
| Deposit model name | Volcanogenic Mn |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Chert | ||
| |||
| (1) | -85.83469, 10.39551 |
|---|
| General form | LENTICULAR |
|---|---|
| Strike | N 45 W |
| Dip | VERTICAL |
| Length | 30M |
| Width | 1.5M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Santa Rosa District |
|---|
| Type | Owner |
|---|---|
| Owner | Guanacaste Manganese Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | CS00030 |
ROBERTS, R. J., 1944, MANGANESE DEPOSITS IN COSTA RICA: U.S. GEOL. SURV. BULL. 935-H, P. 394.
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 | MINERALIZATION FOLLOWS BEDDING IN SHALY CHERT FOR 122 M ALONG A RIDGE. TWO LENSES, ONE 23 M LONG AND THE OTHER 30 M LONG, BOTH ABOUT 1-1.5 M WIDE. THE LENSES CONSIST OF CHERT CUT BY DISCONTINUOUS MN OXIDE VEINLETS, USUALLY LESS THAN 2.5 CM WIDE. THIN MN OXIDE CRUSTS COVER OUTCROPS LOCALLY. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1986 | Howe, Stephen S. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.