Paleogen

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Zaman Paleogen
66–23.03 juta tahun dahulu
Purata kandungan O2 atmosfera selama tempoh zaman c. 26 vol %
(130 % daripada aras moden)
Purata kandungan CO2 atmosfera selama tempoh zaman c. 500 ppm
(2 kali aras pra-perindustrian)
Purata suhu permukaan selama tempoh zaman c. 18 °C
(4 °C di atas aras moden)


Zaman Paleogen ialah zaman dan sistem geologi yang bermula pada 66 dan berakhir pada 23.03 juta tahun lalu dan merangkumi bahagian pertama Era Cenozoic.[1]

Nota[sunting | sunting sumber]

  1. ^ Formerly the period covered by the Paleogene was called the first part of the Tertiary, whose usage is no longer official. "Whatever happened to the Tertiary and Quaternary?"

Pautan luar[sunting | sunting sumber]

Templat:Palaeogene Footer Templat:Phanerozoic eon