To finish the school year in which he attended a Chair, Professor Moraes Rego invited him to join as a student-assistant at the Institute for Technological Research.

[3] Remained at the Polytechnic School for 35 years, having made tender for Free-Teaching in 1957, with a thesis on the Geology and Petrology of the Archipelago of Fernando de Noronha, the Chair ruled when the professor Dr. Octavio Barbosa.

Until 1969 been in part-time, which allowed him to join the National Department of Mineral Production for the contest in which he made 1956, having been dismissed in 1969 to take a full-time integral to teaching and research (RDIDP).

During such a long life traveled almost all over the country, having published 176 scientific papers and book chapters in Brazil and abroad, dealing with various topics of Geosciences.

[citation needed] Among the awards received are: Biography in Who's Who in the World of Marquis Who's Who Inc., Chicago (1971-1972), Vice-President of Géologique Société de France (1971); Medal Jose Bonifacio - Society Brazilian Geology (1964), Grand Cross of the National Order of Merit Scientific - President of the Republic of Brazil (1995), Doctor Honoris Causa State University of Campinas (1991), Medal of Merit Council Federal Engineering and Architecture (1995).