| Deposit ID | 10060826 |
|---|---|
| MRDS ID | TC30265 |
| Record type | Site |
| Current site name | Roca |
| Geographic coordinates: | -41.51564, -4.49816 (WGS84) |
|---|
Political divisions (FIPS codes)
Piaui(province)
Brazil(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Brazil | Piaui |
| Commodity | Importance |
|---|---|
| Gemstone | Primary |
| Materials | Type of material |
|---|---|
| Opal | Ore |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone | ||
| Rock unit name | Cabecas Formation;Sardinha Formation | ||
| Rock description | Cabecas Formation;Sardinha Formation | ||
| |||
| (1) | -41.51564, -4.49816 |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC30265 |
CESAR, P. DE A.B., 1984, PRINCIPAIS DEPOSITOS MINERAIS: CONCEITOS, METODOLOGIA, E LISTAGEM, CAPITULO IX, IN GEOLOGIA DO BRASIL, EDS., C. SCHOBBENHAUS, D. DE A. CAMPOS, G.R. DERZE, AND H.E. ASMUS: DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, PP. 359-419
CIMRI
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1992 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.