| Revision as of 16:53, 19 June 2008 editWoudloper (talk | contribs)Extended confirmed users, Pending changes reviewers, Rollbackers2,915 editsm clearer definitions (see talk page)← Previous edit | Revision as of 19:18, 19 June 2008 edit undoFabartus (talk | contribs)Extended confirmed users21,651 edits revise appearance, propose simple time (geology) or [[chronology (geology) lists of tables (some already up) giving simple sense of relations boiled out of the ICS tableNext edit → | ||
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| !colspan=3|<center><big>Units in geochronology and stratigraphy</big></center> | |||
| |colspan=3|<span style="float:right;"><small><small><span class="plainlinksneverexpand"><small>  </small></span></small><small></span><br/><big><center>'''Eras and Erathems mapped into Eons'''</center></big> | |||
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| |colspan=3|<span style="float:right;"><small><small><span class="plainlinksneverexpand"><small>  </small></span></small><small></span><center><big>'''Units in geochronology and stratigraphy'''</big></center> | |||
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| |<center>]<br/> units of the<br/> ]</big></center> | |<center>]<br/>] of the<br/> ]</big></center> | ||
| |<center>]<br/> units of the<br/> |
|<center>]<br/> units of the<br/>] </center> | ||
| | ''Main article:'' ]<br/><br/><hr/><center>'''Notes'''</center> | |||
| |- | |- | ||
| | ]||]||largest spans of years | | ]||]||largest spans of years | ||
Revision as of 19:18, 19 June 2008
| e h | ||
strata units of the geologic record |
units of the geological time system |
Main article: geologic time scale |
| Eonothem | Eon (geology) | largest spans of years |
| Erathem | Era (geology) | 3 total, hundreds of millions of years |
| System (geology) | Period (geology) | Some familiar names |
| Series (geology) | Epoch (geology) | Most familiar names |
| Stage (geology) | Age (geology) | fewest years spanned* |
| * Most and the most time specific time divisions | ||
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- International Commission on Stratigraphy. "International Stratigraphic Chart" (PDF). Retrieved 2008-06-17.