| Publication Type: | Journal Article |
| Year of Publication: | 1959 |
| Authors: | M. M. Barbosa |
| Journal: | Boletim do Museu Nacional do Rio de Janeiro (Geologia) |
| Volume: | 29 |
| Pagination: | 1-7 |
| Date Published: | 1959 |
| Publication Type: | Journal Article |
| Year of Publication: | 1959 |
| Authors: | M. M. Barbosa |
| Journal: | Boletim do Museu Nacional do Rio de Janeiro (Geologia) |
| Volume: | 29 |
| Pagination: | 1-7 |
| Date Published: | 1959 |