Perovskite-group minerals from the Rio Apa and Amambay regions, NE Paraguay

by Celso de Barros Gomes, Piero Comin-Chiaramonti
Published 2015-12-01

Cretaceous carbonatites of the southeastern Brazilian Platform: a review

by Celso de Barros Gomes, Piero Comin-Chiaramonti, Rogério Guitarrari Azzone, Excelso Ruberti, Gaston Eduardo Enrich Rojas

Os diques na encosta ocidental da Serra de Ybytyruzú, região centro‑oriental do Paraguai

by Celso de Barros Gomes, Ana Maria Castillo Clerici Clerici, Victor Velázquez Fernandez, Angelo De Min, Piero Comin‑Chiaramonti
Published 2017-08-01