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Revision as of 11:48, 30 April 2013 editAddbot (talk | contribs)Bots2,838,809 editsm Bot: Migrating 6 interwiki links, now provided by Wikidata on d:q11011947← Previous edit Revision as of 14:56, 30 April 2013 edit undoNecessary Evil (talk | contribs)Extended confirmed users, Rollbackers5,247 edits Chronostratigraphic units are measured in meters etc., period is a reserved word.Next edit →
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!Segments of rock (]) in ] !Segments of rock (]) in ]
!Periods of time in ] !Time spans in ]
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| <center>]</center>||<center>]</center>||4 total, half a billion years or more | <center>]</center>||<center>]</center>||4 total, half a billion years or more
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| <center>]</center> || <center>]</center> || millions of years | <center>]</center> || <center>]</center> || millions of years
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|<center>]</center> || <center>]</center> || smaller than an age/stage, not used by the ICS timescale |<center>]</center> || <center>]</center> || subdivision of an age, not used by the ICS timescale
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{{Template reference list}} {{Template reference list}}

Revision as of 14:56, 30 April 2013

e  h
Units in geochronology and stratigraphy
Segments of rock (strata) in chronostratigraphy Time spans in geochronology Notes to
geochronological units
Eonothem
Eon
 4 total, half a billion years or more
Erathem
Era
 10 total, several hundred million years
System
Period
Series
Epoch
 tens of millions of years
Stage
Age
 millions of years
Chronozone
Chron
 subdivision of an age, not used by the ICS timescale

References

These references will appear in the article, but this list appears only on this page.
  1. Cohen, K.M.; Finney, S.; Gibbard, P.L. (2013), International Chronostratigraphic Chart (PDF), International Commission on Stratigraphy {{citation}}: Unknown parameter |author-separator= ignored (help).


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