A data frame containing the stratigraphic chart by issued in 2012 by the International Commission on Stratigraphy.

strat2012

Format

A data frame

eon: Eon name.
era: Era name.
period: Period name.
epoch: Epoch name.
stage: Stage name.
MA: Estimated boundary age for the associated interval.
error: Estimated errors associated with each age estimate.
GSSP: Binary response denoting whether the age estimate is defined by a basal Global Standard Section and Point

Source

https://github.com/fmichonneau/phyloch

Details

See phyloch package data description. Enhance: There are a couple errors in the original strat2012 object that are not too meaningful but could be improved. Generated with utils::data("strat2012", package = "phyloch") use_data(strat2012)