Astrochronology

Astrochronology

Astrochronology is the dating of sedimentary units by calibration with astronomically tuned timescales, such as Milankovic cycles,cite journal
author = Meyers, S.R.
year = 2008
title = Resolving Milankovitchian controversies: The Triassic Latemar Limestone and the Eocene Green River Formation
journal = Geology
volume = 36
issue = 4
pages = 319-322
url = http://www.unc.edu/~smeyers/pubs/Meyers_2008.pdf
accessdate = 2008-04-24
] or even sunspot cycles. When used in concert with radiometric dating, it allows the resolution of timescales to a high degree of accuracy.

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