WikiPedia: GeologicTimescale

Difference (from prior major revision) (minor diff)

Changed: 1c1

Numbers refer to end of time period, in millions of years before now. Is there a better way to format this?

Numbers refer to end of time period, in millions of years before now.

Added: 4a5,7

PleistoceneEpoch? (=Quaternary)
1.8 PlioceneEpoch?
5 MioceneEpoch?

Added: 5a9,11

OligoceneEpoch?
38 EoceneEpoch?
54 PalaeoceneEpoch?

Changed: 7c13

CretaceousPeriod?

Changed: 12,17c18,27

290 CarboniferousPeriod?
363 DevonianPeriod?
409 SilurianPeriod?
439 OrdovicianPeriod?
510 CambrianPeriod?
570 PrecambrianEra?

286 CarboniferousPeriod?
UpperCarboniferous? (=Pennsylvanian)
325 LowerCarboniferous? (=Mississippian)
360 DevonianPeriod?
410 SilurianPeriod?
440 OrdovicianPeriod?
505 CambrianPeriod?
544 ProterozoicEra? |
2500 ArchaeanEra? | PrecambrianEon? (as opposed to PhanerozoicEon?)
3800 HadeanEra? |

Numbers refer to end of time period, in millions of years before now.

    *  CenozoicEra?
         NeogenePeriod?
           PleistoceneEpoch? (=Quaternary)
  1.8      PlioceneEpoch?
    5      MioceneEpoch?
   23    PalaeogenePeriod?
           OligoceneEpoch?
   38      EoceneEpoch?
   54      PalaeoceneEpoch?
   65  MesozoicEra?
         CretaceousPeriod?
  146    JurassicPeriod?
  208    TriassicPeriod?
  245  PalaeozoicEra?
         PermianPeriod?
  286    CarboniferousPeriod?
           UpperCarboniferous? (=Pennsylvanian)
  325      LowerCarboniferous? (=Mississippian)
  360    DevonianPeriod?
  410    SilurianPeriod?
  440    OrdovicianPeriod?
  505    CambrianPeriod?
  544  ProterozoicEra?    |
 2500  ArchaeanEra?       | PrecambrianEon? (as opposed to PhanerozoicEon?)
 3800  HadeanEra?         |