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The '''age''' is the fundamental [[chronostratigraphy|chronostratigraphic unit]].
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{{ dambigbox| Age (geology) | Age }}
The '''age''' is the fundamental [[chronostratigraphy|chronostratigraphic]] unit.


Being [[geochronology|geochronologic units]], ages represent a interval of geologic time. The corresponding [[chronostratigraphy|chronostratigraphic units]] represent the body of rocks formed during the age, and are called [[Stage (geology)|stages]]
Being [[geochronology|geochronologic]] units, ages represent a interval of geologic time. The corresponding [[chronostratigraphy|chronostratigraphic]] units represent the body of rocks formed during the age, and are called [[Stage (geology)|stages]]


Ages/Stages are formally defined following the indications of the [http://www.stratigraphy.org/ ICS] (International Commission on Stratigraphy). More specifically, ages/stages are defined by the [[GSSP]] of their base, their top being defined by the GSSP of the overlying age/stage.
Ages/Stages are formally defined following the indications of the [http://www.stratigraphy.org/ ICS] (International Commission on Stratigraphy). More specifically, ages/stages are defined by the [[GSSP]] of their base, their top being defined by the GSSP of the overlying age/stage.


A list of ages/stages may be found [[List of Global Boundary Stratotype Sections and Points
A list of ages/stages may be found at the International Commission on Stratigraphy.<ref>[http://www.stratigraphy.org/ Overview of Global Boundary Stratotype Sections and Points (GSSP's)Status on June 2004], compiled by Jim Ogg (ICS Executive Secretary) (2004)</ref><ref>[http://www.stratigraphy.org/cheu.pdf International Stratigraphic Chart]</ref>
|here]].


== See also ==
==Interdisciplinary Links in Citizendium==
* [[Stage (geology)]]
*[[Earth science]]
* [[Geochronology]]
*[[Stage (geology)]]
* [[Geologic time scale]]
*[[Geologic time scale]]
* [[Stratigraphy]]
*[[Geologic ages of earth history]]
*[[Chronostratigraphy]]
*[[Geochronology]]
*[[Geochronometry]]
*[[Hydrology]]
*[[Biostratigraphy]]
*[[Palynology]]


== External links ==
==Notes==
* [http://www.stratigraphy.org/ International Commission on Stratigraphy]
{{reflist}}[[Category:Suggestion Bot Tag]]
 
[[Category:Stratigraphy]]
[[Category:CZ Live]]
[[Category:Earth Sciences Workgroup]]

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This article is about Age (geology). For other uses of the term Age , please see Age (disambiguation).

The age is the fundamental chronostratigraphic unit.

Being geochronologic units, ages represent a interval of geologic time. The corresponding chronostratigraphic units represent the body of rocks formed during the age, and are called stages

Ages/Stages are formally defined following the indications of the ICS (International Commission on Stratigraphy). More specifically, ages/stages are defined by the GSSP of their base, their top being defined by the GSSP of the overlying age/stage.

A list of ages/stages may be found at the International Commission on Stratigraphy.[1][2]

Interdisciplinary Links in Citizendium

Notes

  1. ↑ Overview of Global Boundary Stratotype Sections and Points (GSSP's)Status on June 2004, compiled by Jim Ogg (ICS Executive Secretary) (2004)
  2. ↑ International Stratigraphic Chart
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