| Revision as of 22:55, 23 June 2008 editFabartus (talk | contribs)Extended confirmed users21,651 edits add none parameter to allow inline use← Previous edit | Revision as of 00:40, 24 June 2008 edit undoFabartus (talk | contribs)Extended confirmed users21,651 edits correct counts, improve notes, pipetrick linksNext edit → | ||
| Line 7: | Line 7: | ||
| | ''Main article:'' ]<br/><br/><hr/><center>'''Notes'''</center> | | ''Main article:'' ]<br/><br/><hr/><center>'''Notes'''</center> | ||
| |- | |- | ||
| | ]||]||largest spans of years | | <center>]</center>||<center>]</center>||3 total, largest spans of years | ||
| |- | |- | ||
| | ] ||]|| |
| <center>]</center> ||<center>]</center>|| 12 total, roughly span multiples <br/>of a hundred million years | ||
| |- | |- | ||
| | ] || ]|| Some familiar names | | <center>]</center> || <center>]</center>|| Some familiar names, defined in<br/>21 major divisions and 2 minor | ||
| |- | |- | ||
| | ] || ] || tens of millions of years | | <center>]</center> || <center>] </center>||48 units & each spanning<br/>tens of millions of years | ||
| |- | |- | ||
| |] || ] || millions of years | | <center>]</center> || <center>]</center> ||100+ units & most all<br/>spanning ] | ||
| |- | |- | ||
| |colspan=3|<small><center>Outside the heirarchy, units cross stage and age boundaries as needed<br/>if the ] has good dating characteristics.</center></small> | |colspan=3|<small><center>Outside the heirarchy, units cross stage and age boundaries as needed<br/>if the ] has good dating characteristics.</center></small> | ||
Revision as of 00:40, 24 June 2008
| e h | ||
strata units of the geologic record |
units of the geological time system |
Main article: geologic time scale |
| 3 total, largest spans of years | ||
| 12 total, roughly span multiples of a hundred million years | ||
| Some familiar names, defined in 21 major divisions and 2 minor | ||
| 48 units & each spanning tens of millions of years | ||
| 100+ units & most all spanning millions of years | ||
if the strata has good dating characteristics. | ||
| Chronozone | Chron | only in more recent strata* |
| * Most and the most time specific time divisions | ||
 | This biology article is a stub. You can help Misplaced Pages by expanding it. |
- International Commission on Stratigraphy. "International Stratigraphic Chart" (PDF). Retrieved 2008-06-17.