00394nam a2200157 a 450000100080000000500110000800800410001910000190006024500470007926000260012630000090015265300120016165300200017365300220019365300210021510405012005-10-10       1984    bl uuuu     u0uu1 u    #d1 aFONTES, M.P.F.  aIntroducao ao estudo de minerais e rochas.  aVicosa, MG: UFVc1984  a23p.  aMineral  aRocha magmatica  aRocha metamorfica  aRocha sedimentar