cyclostratigraphy
Sign in to savethumb|222px|The nature of sediments can vary in a cyclic fashion, and these cycles can be displayed in the sedimentary record - here visible in the colouration and resistance of strata thumb|Milankovitch variations, solar forcing, and glacial cycles. Image by Robert A. Rohde, under the CC BY-SA 3.0 license. Cyclostratigraphy is a subdiscipline of stratigraphy that studies astronomically forced climate cycles within sedimentary successions.
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Encyclopedic overview
5 sectionsContents
- Orbital changes
- Dating methods and applications
- Limitations
- See also
- References
thumb|222px|The nature of sediments can vary in a cyclic fashion, and these cycles can be displayed in the sedimentary record - here visible in the colouration and resistance of strata thumb|Milankovitch variations, solar forcing, and glacial cycles. Image by Robert A. Rohde, under the CC BY-SA 3.0 license. Cyclostratigraphy is a subdiscipline of stratigraphy that studies astronomically forced climate cycles within sedimentary successions.
== Orbital changes == Astronomical cycles (also known as Milankovitch cycles) are variations of the Earth's orbit around the Sun due to the gravitational interaction with other masses within the Solar System. Due to this cyclicity, solar irradiation differs through time on different hemispheres and seasonality is affected. These insolation variations have influence on Earth's climate and on the deposition of sedimentary rocks.
Excerpted from Wikipedia’s “cyclostratigraphy” article, available under the CC BY-SA 4.0 licence.