Neogene

Neogene Period 23.03–2.588 million years ago PreЄ Є O S D C P T J K Pg N
Mean atmospheric O ₂ content ower period duration	c. 21.5 vol %^[1]^[2] (108 % of modern level)
Mean atmospheric CO ₂ content ower period duration	c. 280 ppm^[3]^[4] (1 times pre-industrial level)
Mean surface temperature ower period duration	c. 14 °C^[5]^[6] (0 °C above modern level)
Key events in the Neogene view • discuss • edit -24 — – -22 — – -20 — – -18 — – -16 — – -14 — – -12 — – -10 — – -8 — – -6 — – -4 — – -2 — – 0 — C e n o z o i c Paleogene N e o g e n e Quaternary M i o c e n e P l i o c e n e Aquitanian Burdigalian Langhian Serravallian Tortonian Messinian Zanclean Piacenzian ← Messinian salinity crisis^[7] ← Holocene begins 11.7 ka ago An approximate timescale o key Neogene events. Vertical axis: millions o years ago.

The Neogene, accordin tae current scienteefic consensus, is a geologic period an seestem that spans 20.45 million years frae the end o the Paleogene Period 23.03 million years ago (Mya) tae the beginnin o the present Quaternary Period 2.588 Mya.

References[eedit | eedit soorce]

↑ Image:Sauerstoffgehalt-1000mj.svg
↑ Image:OxygenLevelsThroughEarthHistory.png
↑ Image:Phanerozoic Carbon Dioxide.png
↑ Image:CO2LevelsThroughEarthHistory.png
↑ Image:All palaeotemps.png
↑ Image:TemperatureLevelsOverEarthHistory.png
↑ Krijgsman, W.; Garcés, M.; Langereis, C. G.; Daams, R.; Van Dam, J.; Van Der Meulen, A. J.; Agustí, J.; Cabrera, L. (1996). "A new chronology for the middle to late Miocene continental record in Spain". Earth and Planetary Science Letters. 142 (3-4): 367–380. Bibcode:1996E&PSL.142..367K. doi:10.1016/0012-821X(96)00109-4.

[1] Image:Sauerstoffgehalt-1000mj.svg

[2] Image:OxygenLevelsThroughEarthHistory.png

[3] Image:Phanerozoic Carbon Dioxide.png

[4] Image:CO2LevelsThroughEarthHistory.png

[5] Image:All palaeotemps.png

[6] Image:TemperatureLevelsOverEarthHistory.png

[Krijgsman1996-7] Krijgsman, W.; Garcés, M.; Langereis, C. G.; Daams, R.; Van Dam, J.; Van Der Meulen, A. J.; Agustí, J.; Cabrera, L. (1996). "A new chronology for the middle to late Miocene continental record in Spain". Earth and Planetary Science Letters. 142 (3-4): 367–380. Bibcode:1996E&PSL.142..367K. doi:10.1016/0012-821X(96)00109-4.

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Neogene

References[eedit | eedit soorce]

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