| Reference | {Deposit:: GUIMARAES, M.A., 1973: PERFIL ANALITICO DA GRAFITA.- D.N.P.M. BOLETIM NO.16, RIO DE JANEIRO}{Deposit:: HARRIES-REES, KAREN, 1993, GRAPHITE: INDUSTRIAL MINERALS, NO. 305, P. 27-45.}{Production:: ANUARIO MINERAL BRASILEIRO, 1983, P. 258} |