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

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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.




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


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

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