Difference between revisions of "Template:Geology to Paleobiology"

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|+[[Geologic time scale|Units in geochronology and stratigraphy]]<ref>{{citation | first1=K.M. |last1=Cohen |first2=S. |last2=Finney |first3=P.L. |last3=Gibbard|title=International Chronostratigraphic Chart |year=2015| publisher = International Commission on Stratigraphy |url=http://www.stratigraphy.org/ICSchart/ChronostratChart2015-01.pdf }}.</ref>
|colspan=3|<span style="float:right;"><span class="plainlinksneverexpand">[{{fullurl:Template:Geology_to_Paleobiology|action=edit}} e] &#160;[{{fullurl:Template:Geology_to_Paleobiology|action=history}} h]</span></span><center><big>'''[[Geologic time scale|Units in geochronology and stratigraphy]]'''</big><ref>{{citation | first1=K.M. |last1=Cohen |first2=S. |last2=Finney |first3=P.L. |last3=Gibbard|title=International Chronostratigraphic Chart |year=2015| publisher = International Commission on Stratigraphy |url=http://www.stratigraphy.org/ICSchart/ChronostratChart2015-01.pdf }}.</ref></center>
 
 
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!Segments of rock ([[stratum|strata]]) in [[chronostratigraphy]]
 
!Segments of rock ([[stratum|strata]]) in [[chronostratigraphy]]

Revision as of 00:17, 30 July 2015

Units in geochronology and stratigraphy[1]
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 defined, several hundred million years
System
Period
22 defined, tens to ~one hundred million years
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

  1. Cohen, K.M.; Finney, S.; Gibbard, P.L. (2015), International Chronostratigraphic Chart (PDF), International Commission on Stratigraphy.