A ATIVIDADE MINEIRA EM AMETISTA DO SUL/RS E A INCIDÊNCIA DE SILICOSE EM GARIMPEIROS
The municipal district of Ametista do Sul, located in the north of the state of Rio Grande do Sul is eminent in the production of amethysts which occur in geodos in the interior of spills of basalt of Formação Serra Geral. The extraction of amethyst is made in large horizontal profundities in underg...
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Others |
| Language: | Portuguese |
| Published: |
Universidade Federal de Santa Maria
2007
|
| Subjects: | |
| Online Access: | http://repositorio.ufsm.br/handle/1/9479 |