Brotzu, P. Petrogenesis of the Early Cenozoic potassic alkaline complex of Morro de São João, southeastern Brazil - Oxford Elsevier Science June 2007 - pp. 93-115 ilus. ISSN: 0895-9811 Subjects--Topical Terms: CENOZOICOCOMPOSICION POTASICAPETROGENESISROCAS ALCALINASSIENITA NEFELINICA Subjects--Geographic Terms: BRASILMORRO DE SAO JOAORIO DE JANEIRO