Provincia magmatica de Roroimã
Subtitle: Brasil septentrional
By: por Djalma Guimarães.
Series: [Brazil] Serviço geologico e mineralogico. Boletim; 45
Publisher: P. Mendes
Published: 1930
Place of publication: Rio de Janeiro
Language: por
Number of pages: 57
Subjects: Rocks, Igneous.; Petrology -- Brazil -- Roroimã.
Notes: At head of title: Ministerio da Agricultura, industria e commercio.