Template:Quaternary (period)
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Template:Quaternary Period
Template documentation
Subdivisions of the Quaternary System
System/
Period
Series/
Epoch
Stage/
Age
Age
Quaternary Holocene Meghalayan 0 4,200
Northgrippian 4,200 8,200
Greenlandian 8,200 11,700
Pleistocene 'Upper' 11,700 129ka
Chibanian or 'Middle' 129ka 774ka
Calabrian 774ka 1.80Ma
Gelasian 1.80Ma 2.58Ma
Neogene Pliocene Piacenzian 2.58Ma 3.60Ma
Notes and references[1][2]
Subdivision of the Quaternary Period according to the ICS, as of May 2019.[1]

For the Holocene, dates are relative to the year 2000 (e.g. Greenlandian began 11,700 years before 2000). For the beginning of the Northgrippian a date of 8,236 years before 2000 has been set.[2] The Meghalayan has been set to begin 4,250 years before 2000.[1]

'Tarantian' is an informal, unofficial name proposed for a stage/age to replace the equally informal, unofficial 'Upper Pleistocene' subseries/subepoch.

In Europe and North America, the Holocene is subdivided into Preboreal, Boreal, Atlantic, Subboreal, and Subatlantic stages of the Blytt-Sernander time scale. There are many regional subdivisions for the Upper or Late Pleistocene; usually these represent locally recognized cold (glacial) and warm (interglacial) periods. The last glacial period ends with the cold Younger Dryas substage.

See also

Notes

  1. ^ a b c Cohen, K. M.; Finney, S. C.; Gibbard, P. L.; Fan, J.-X. (January 2020). "International Chronostratigraphic Chart" (PDF). International Commission on Stratigraphy. Retrieved 2020.
  2. ^ a b Mike Walker; et al. (December 2018). "Formal ratification of the subdivision of the Holocene Series/Epoch (Quaternary System/Period)" (PDF). Episodes. Subcommission on Quaternary Stratigraphy (SQS). 41 (4): 213-223. doi:10.18814/epiiugs/2018/018016. Retrieved 2019.This proposal on behalf of the SQS has been approved by the International Commission on Stratigraphy (ICS) and formally ratified by the Executive Committee of the International Union of Geological Sciences (IUGS).

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