Background
OLIVEIRA ROXO, Matías Gonsalves de was born on April 21, 1885 in Rio de Janeiro, Brazil.
OLIVEIRA ROXO, Matías Gonsalves de was born on April 21, 1885 in Rio de Janeiro, Brazil.
Educated privately in Brazil and France. Civil Engineer, University do Brasil. Studies in surveying with Orville Derby.
Director, division of geology and mineralogy, ministry of agriculture, Rio de Janeiro, since 1944.