 bhuumii vayassu entha ?
 bhaugoollika same pramaanam anede bhuumii yokka charithra antataa sambhavimchina sanghatanala aadhaaramga lothaina samayanni suuchinchae margam ,  idi sumaaru  4.54 ± 0.05 Ga (4.54  biliyan samvastaralu ).  idi pradhaana bhaugoollika ledha polyontalogical sanghatanalaku anugunamga umdae stratigraphylo praadhimika maarpulanu gamaninchadam dwara kaalakramanusaaramgaa straataanu mariyu tadanamtaram samayanni nirvahisthundhi .  udaharanaku ,  cretatius - polyogene vilupta sangatana ,  polyogene sistom / piriyad yokka dhiguva sarihaddunu suchisthundi mariyu tadwara cretatius mariyu polyogene systams / periods Madhya sarihaddunu suchisthundi .  criosenian ‌ ku mundhu vibhajanala choose ,  bhaugoollika samayanni vibhajinchadaaniki ekapaksha sankhya sarihaddu nirvachanalu  ( global staendard stratigraphic ages , GSSA lu )  upayoginchabadataayi .  yea vibhajanalanu rock rikard ‌ thoo merugga samanvayam chesenduku prathipaadanalu tayyaru cheyabaddaayi .
 bhuumii vayassu sumaaru  4.54  biliyan samvastaralu .