Difference between revisions of "Template:Geology to Paleobiology"
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| − | {|class="wikitable" style="float:right; font-size: | + | {|class="wikitable" style="float:right; font-size:100%; width:400px; margin-left:5px;" |
| − | | | + | |+[[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> |
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!Segments of rock ([[stratum|strata]]) in [[chronostratigraphy]] | !Segments of rock ([[stratum|strata]]) in [[chronostratigraphy]] | ||
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!Notes to<br/>geochronological units | !Notes to<br/>geochronological units | ||
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| − | | | + | | style="text-align:center;" | [[Eonothem]] || style="text-align:center;" | [[Eon (geology)|Eon]] || 4 total, half a billion years or more |
|- | |- | ||
| − | | | + | | style="text-align:center;" | [[Erathem]] || style="text-align:center;" | [[Era (geology)|Era]] || 10 defined, several hundred million years |
|- | |- | ||
| − | | | + | | style="text-align:center;" | [[System (stratigraphy)|System]] || style="text-align:center;" | [[Geological period|Period]] || 22 defined, tens to ~one hundred million years |
|- | |- | ||
| − | | | + | | style="text-align:center;" | [[Series (stratigraphy)|Series]] || style="text-align:center;" | [[Epoch (geology)|Epoch]] || 34 defined, tens of millions of years |
|- | |- | ||
| − | | | + | | style="text-align:center;" | [[Stage (stratigraphy)|Stage]] || style="text-align:center;" | [[Age (geology)|Age]] || 99 defined, millions of years |
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| − | | | + | | style="text-align:center;" | [[Chronozone]] || style="text-align:center;" | [[Polarity chron|Chron]] || subdivision of an age, not used by the ICS timescale |
|}<noinclude> | |}<noinclude> | ||
| − | {{Template reference list}} | + | {{Template reference list}} |
| − | [[Category:Geology templates | + | [[Category:Geology templates]] |
</noinclude> | </noinclude> | ||
Latest revision as of 18:41, 29 November 2019
| 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 | 34 defined, tens of millions of years |
| Stage | Age | 99 defined, millions of years |
| Chronozone | Chron | subdivision of an age, not used by the ICS timescale |
References
- ↑ Cohen, K.M.; Finney, S.; Gibbard, P.L. (2015), International Chronostratigraphic Chart (PDF), International Commission on Stratigraphy.