Neogene

Neogene

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Neogene Period 23.03–2.58 million years ago PreЄ Є O S D C P T J K Pg N

Mean atmospheric O 2 content over period duration	c. 21.5 vol % (108 % of modern level)

Mean atmospheric CO 2 content over period duration	c. 280 ppm (1 times pre-industrial level)

Mean surface temperature over period duration	c. 14 °C (0 °C above modern level)

Key events in the NeogeneThis box: viewtalkedit-24 —–-22 —–-20 —–-18 —–-16 —–-14 —–-12 —–-10 —–-8 —–-6 —–-4 —–-2 —–0 —C e n o z o i cPaleogeneN e o g e n eQuaternaryM i o c e n eP l i o c e n eAquitanianBurdigalianLanghianSerravallianTortonianMessinianZancleanPiacenzian ←Messinian salinity crisis←Holocene begins 11.7 ka agoAn approximate timescale of key Neogene events.

Sentence(s)

The Neogene is a period that spans from 23.03 million years ago (Mya) to 2.58 Mya.

final_sentence: The Neogene is a period that spans from 23.03 million years ago (Mya) to 2.58 Mya.