Vol. 11 No. 2 (1990)

Published: 1990-12-01

Qualitative aspects of the infiltration of sugar cane molasses into the Bauru Aquifer

Seiju Hassuda, Aldo da Cunha Rebouças, Rodrigo César de Araújo Cunha

5-20
- PDF (Português (Brasil))
Copper dispersion and accumulation in weathered materiais from copper ores in Brazil

Jean-Claude Parisot, Monique Creach, Adolpho José Melfi, Daniel Nahon, Maria Cristina Toledo-Groke, Jean Jacques Trescases

21-33
- PDF (Português (Brasil))
The Piraçununga Formation in the Vargem Grande do Sul region, São Paulo. Application of the technique of sedimentary profiles

Ruy Osório de Freitas, Percy Corrêa Vieira, Sérgio Mezzalira

35-48
- PDF (Português (Brasil))
Present state of knowledge on lateritic nickel ores in Brasil and the world

Sonia Maria Barros de Oliveira

49-57
- PDF (Português (Brasil))
Opening speach, XXVIII International Geological Congress - Washington, USA - July 1989

Umberto Giuseppe Cordani

58-61
- PDF (Português (Brasil))