Paleogen

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]

Zaman Paleogen 66–23.03 juta tahun dahulu PreЄ Є O S D C P T J K Pg N
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)

Nota

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

Paleogene Microfossils: 180+ images of Foraminifera

Templat:Palaeogene Footer Templat:Phanerozoic eon

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[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?"