Geologic Timeline
Year
Era
Period
Exploration Image
Average Global Temperature
  Average Global CO2 Concentration  
% Global Ice Cover
850 Ma 635 Ma 542 Ma 448 Ma 444 Ma 416 Ma 359 Ma 299 Ma 251 Ma 200 Ma 146 Ma 66 Ma 23 Ma 2.6 Ma 10 ka Present Day (0 ka)
Neoprotozoic Paleozoic Mesozoic Cenozoic  
Cryogenian Ediacaran Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous Paleogene Neogene Quaternary Holocene

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 Click here to explore 100 Ma
   
          Click here to explore 2 Ma          

          Click here to explore 50 ka          

          Click here to explore 10 ka          

          Click here to explore 1880          

          Click here to explore 2010          
~4 ºC   22 ºC   12 ºC     22 ºC     13 ºC 7 ºC 13.6 ºC 13.7 ºC 14.6 ºC
~100ppm   7000 ppm   350 ppm     1200 ppm     300 ppm 245 ppm 230 ppm 290 ppm 391 ppm
~85%   0%   20%     0%     10% 25% 15% 10% 10%