200 排 International stratigraphic chartMa 叫團團 35212 OuSe 508± Upper 374512 Paleogene Mie 3a1日土2 186 1647 337512 1677± 40702 4160t2 经ts 417127 Pado 7246 L Aeseeeee 11608A 1365 15 1B6+ 426224Ao Neo 208±1 N 42志2 280c Upper Placee 284t 220t 43a0t1 39101 237.02 245日主 44561 facade 4Q7 45 EnarchaanI towr mmi retires 48091 2 Longan 253807 4 Halosere 6170 4761 65 4831 e age Global sandau 2760 an ovarain of the irtametena 2H44t07 3t1 2M6地 5130±2 ratified by the intemational unon of Geological Sciences uUGS 360 342D Epaooes, 1977-81 d ICS (RomE 20±1 301 古宙+元古宙:12个GSSA 3453土21 显生宙:46+40=96个GSSP太古宙+元古宙：12个GSSA 显生宙: 46+40=96个GSSP Ma 200 4 International stratigraphic chart