Geologic stage
A geologic stage, or simply stage, is a chronostratigraphic unit of geologic time more commonly referred to as an "age" or "geologic age", its geochronologic name equivalent.[1] Please refer to Geologic age or Geologic time scale for more information.
| Rank of Time Unit | Chronostratigraphic Name | Geochronologic Name |
|---|---|---|
| 1 - Longest | Eonothem | Eon |
| 2 | Erathem | Era |
| 3 | System | Period |
| 4 | Series | Epoch |
| 5 - Shortest | Stage | Age |
For Further Reading
- Geology
- Stratigraphy
- Geologic era
- Geologic eon
- Geologic period
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References
- ↑ 1.0 1.1 International Commission on Stratigraphy."Chapter 9. Chronostratigraphic units" Accessed Nov.12, 2018 [Online]. Available: http://www.stratigraphy.org/upload/bak/chron.htm