Revision as of 06:11, 5 February 2009 editRockMFR (talk | contribs)Extended confirmed users28,801 edits bigger font← Previous edit | Revision as of 23:16, 25 April 2009 edit undoDebresser (talk | contribs)Autopatrolled, Extended confirmed users, Pending changes reviewers, Rollbackers, Template editors110,467 editsm reffix using AWBNext edit → | ||
Line 18: | Line 18: | ||
|- | |- | ||
|<center>]</center> || <center>Chron</center> || smaller than an age/stage, not used by the ICS timescale | |<center>]</center> || <center>Chron</center> || smaller than an age/stage, not used by the ICS timescale | ||
⚫ | |}<noinclude> | ||
|} | |||
⚫ | <noinclude> | ||
{{Templaterefsection}} | |||
] | ] | ||
</noinclude> | </noinclude> |
Revision as of 23:16, 25 April 2009
e h | ||
Segments of rock (strata) in chronostratigraphy | Periods of time in geochronology | Notes |
---|---|---|
4 total, half a billion years or more | ||
12 total, several hundred million years | ||
tens of millions of years | ||
millions of years | ||
smaller than an age/stage, not used by the ICS timescale |
References
These references will appear in the article, but this list appears only on this page.- International Commission on Stratigraphy. "International Stratigraphic Chart" (PDF). Retrieved 2008-06-17.