eons | R Documentation |
A dataset containing the boundary ages, abbreviations, and colors for the eons of the Geologic Time Scale. Based on The ICS International Chronostratigraphic Chart (v2023/06), by Cohen, Finney, Gibbard, and Fan.
eons
A data frame with 3 rows and 5 variables:
eon name
maximum age, in millions of years
minimum age, in millions of years
eon name abbreviations
the colors for each eon, according to the Commission for the Geological Map of the World
the label colors for each eon, either white or black, whichever has better contrast with the background color, based on recommendations by the International Telecommunication Union
https://stratigraphy.org via https://macrostrat.org/api/v2/defs/intervals?timescale=international%20eons
Other built-in timescales:
epochs
,
eras
,
periods
,
stages
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