timescales {geoscale}

Geological time scale from Harland et al., (2012)

Description

This dataset provides the geological ages for the entire geological timescale from Gradstein (2012) along with the RGB colour values used in the current version.

Usage

data(timescales)

Format

A matrix of first and last datums along with RBG values for each geological time period.

Source

Gradstein, F. M., Ogg, J. M., and Schmitz, M., 2012, A geologic time scale, Boston, USA, Elsevier.