Application of Supersplining to the Mesozoic and Paleozoic Geologic Time Scales

Methods to determine the ages of period and stage boundaries of the geologic time scale (GTS) have a long history and continue to be steadily improved. Stage boundary age estimates are now accompanied by error bars showing stratigraphic uncertainty. Most GTS2004, GTS2012 and GTS2020 results involved...

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Bibliographic Details
Published in:Mathematical geosciences 2022, Vol.54 (7), p.1207-1226
Main Authors: Gradstein, F. M., Agterberg, F. P.
Format: Article
Language:English
Subjects:
Chemistry and Earth Sciences
Computer Science
Cretaceous
Curve fitting
Earth and Environmental Science
Earth Sciences
Geological time
Geology
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Mesozoic
Ordovician
Paleozoic
Physics
Spline functions
Splines
Statistics for Engineering
Stratigraphy
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Summary:Methods to determine the ages of period and stage boundaries of the geologic time scale (GTS) have a long history and continue to be steadily improved. Stage boundary age estimates are now accompanied by error bars showing stratigraphic uncertainty. Most GTS2004, GTS2012 and GTS2020 results involved cubic spline-curve fitting, and in this study, Ordovician through Cretaceous smoothing splines of GTS2020 are spliced together to construct a Paleozoic–Mesozoic superspline. This methodology, its advantages and its results are outlined.
ISSN:1874-8961
1874-8953
DOI:10.1007/s11004-022-10007-z