Quaternary
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| Quaternary Period 2.58–0 million years aby | |
| Mean atmospheric O 2 content ower period duration |
c. 20.8 vol % (104 % o modren level) |
| Mean atmospheric CO 2 content ower period duration |
c. 250 ppm (1 times pre-industrial level) |
| Mean surface temperatur ower period duration | c. 14 °C (0 °C abuin modren level)
|
Quaternary is the current an maist recent o the three periods o the Cenozoic Era in the geologic time scale o the Internaitional Commission on Stratigrafie (ICS).[1]
References[eedit | eedit soorce]
- ↑ Cohen, K.M.; Finney, S.C.; Gibbard, P.L.; Fan, J.-X. "International Chronostratigraphic Chart 2013" (PDF). stratigraphy.org. ICS. Retrieved 15 June 2014.
