| Publication Type: | Journal Article |
| Year of Publication: | 1971 |
| Authors: | M. M. Barbosa |
| Journal: | Boletim do Museu Nacional do Rio de Janeiro, Nova Série, Geologia |
| Volume: | 35 |
| Pagination: | 1-6 |
| Date Published: | 1971 |
| ISSN: | 0080-3200 |
| Publication Type: | Journal Article |
| Year of Publication: | 1971 |
| Authors: | M. M. Barbosa |
| Journal: | Boletim do Museu Nacional do Rio de Janeiro, Nova Série, Geologia |
| Volume: | 35 |
| Pagination: | 1-6 |
| Date Published: | 1971 |
| ISSN: | 0080-3200 |