
priyaboniyan

priyaboniyan anedi, ii. sii. ess yokka bhoogarbha kaalaparimitilo, iteevali yugam ledhaa eocene yugam ledhaa shreni yokka eguva dasha. idhi madhya samayanni vistaristundi. priyaboniyan mundu bartonian untundi, taruvaata oligocene yokka atyalpa dasha ayina rupelian untundi.
stratigraphic nirvachanam.
1893loe ernest muniyar-chalmas mariyu albert dii laparent shaastreeya saahityamlo priyaboniyan dasanu pravesapettaaru. uttara italeelooni veneto praantamlooni monte dii maalo samaajamlooni priyabona anae chinna kugramam paeru meeda eee vedikaku paeru pettaru.
priyaboniyan dasha yokka punaadi, chunaina nanoplankton jaatulu "chiasmolitas omaruensis" (idhi nanoplankton biozone enpi18 yokka punaadi) yokka modati pradarsanalo undhi. adhikaarika zii. ess. ess. pii 2020loe aamodinchabadindi, mariyu italeelooni belloono looni alaano dii piave looni alaano dii piave vibhaagamlo unchabadindi.
priyaboniyan dasha yokka paibhagam (rupelian dasha mariyu oligocene shreniki punaadi) phoram jaathi "hantkenina" antarinchipotunnadi.
konnisaarlu sthaanika raathi poralu iic timescaletho taginanta vivaramgaa sahasambandham kaligi undavu, mariyu stratigrapherlu tarachugaa iic timescaleku pratyamnaayamgaa praantiiya timescalenu upayogistaaru. udaaharanaku priyaboniyan ativyaapti chendutundi, eguva johannian mariyu australian kalakramam yokka aldingan dasalanu ledhaa california kalakramam yokka eguva nanzian mariyu diguva saranaarthi dasalanu taggistundi. priyaaboniyanlatho dadapuga sahajeevanam chese itara praantiiya dasallo aagneya americaku chendina jaxonian mariyu nyoojilaandku chendina runangan unnaayi.
biostratigraphy, priyaboniyan dasha anedi chadronian uttara america bhuu ksheerada yugam, hedonian european bhuu ksheerada mega john (marinta vivarangah ksheerada polyogene mandalaalu 17a nundi 20 varaku), barankan mariyu musterson dakshina america bhuu ksheerada yugaalaloni bhagalu mariyu ulangochuvian mariyu ergelian asea bhuu ksheerada yugaalato sahajeevanam.

