Geochronology

Geochronology is the science of determining the age of rocks, fossils, and sediments,[1] using signatures inherent in the rocks themselves.[2]

Def. the "science of dating samples of rock or sediment",[3] any "one of the methods by which the age of different samples of rock can be determined"[3] or the "division of ancient time into named subdivisions / periods"[4] is called geochronology.

## Resources

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Under development are

* Argon–argon dating
* Cathodoluminescences
* Chemostratigraphy
* Cosmogenic radionuclide dating
* Electron spin resonances
* Fission track dating
* Hafnium–tungsten dating
* Helium dating
* Iodine–xenon dating
* Krypton–krypton dating
* Lanthanum–barium dating
* Lead–lead dating
* Lichenometry
* Lutetium–hafnium dating
* Magnetostratigraphy
* Marker horizons
* Orbitally forced cyclicity
* Paleomagnetic dating
* Potassium–argon dating
* Potassium–calcium dating
* Rhenium–osmium dating
* Rubidium–strontium dating
* Samarium–neodymium dating
* Stable isotope analysis
* Thermoluminescences
* Uranium-lead dating
* Uranium-uranium dating
* Varves

### Methods

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* Dendrochronology
* Dye 3
* Geomagnetic Polarity Time Scale
* Ice cores
* Firns
* Monazites
* Neoglaciations
* Optically stimulated luminescence
* Paleontology
* Palynology
* Radiocarbon dating
* Stratigraphy
* Tephrochronology
* Uranium-thorium dating

### Subjects

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* Archaeology
* Dendrochronology
* Paleontology
* Palynology
* Stratigraphy
* Tephrochronology

### Time periods

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* Cenozoic
* Classics
* Dates
* Medieval Warm Period
* Mesozoic
* Middle Ages
* Paleozoic
* Precambrian

## See also

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* Geochronology at Wikipedia

## References

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1. ↑ NickW (5 September 2004). "Geochronology". San Francisco, California: Wikimedia Foundation, Inc. Retrieved 1 April 2022. `{{cite web}}`: `|author=` has generic name (help)
2. ↑ Smith609 (12 January 2015). "Geochronology". San Francisco, California: Wikimedia Foundation, Inc. Retrieved 1 April 2022. `{{cite web}}`: `|author=` has generic name (help)
3. ↑ 3.0 3.1 Conrad.Irwin (10 November 2008). "geochronology". San Francisco, California: Wikimedia Foundation, Inc. Retrieved 1 April 2022. `{{cite web}}`: `|author=` has generic name (help)
4. ↑ SemperBlotto (8 May 2021). "geochronology". San Francisco, California: Wikimedia Foundation, Inc. Retrieved 1 April 2022. `{{cite web}}`: `|author=` has generic name (help)

## External links

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* Global Boundary Stratotype Section and Point (GSSP) of the International Commission on Stratigraphy

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