// cpt-city: wkp/strat/epochs (cpt)
//
// colours from the Wikigeologic scales, dates (MYa)
// from wikipedia pages
//
// author: Sémhur
// copyright: Creative commons attribution share-alike 3.0 unported
// year: 2010
// url: https://phillips.shef.ac.uk/pub/cpt-city/wkp/strat
#declare epochs =
color_map {
  [0.00000 color rgbf <0.9961,0.9961,0.8941,0.0000>]
  [0.00002 color rgbf <0.9961,0.9961,0.8941,0.0000>]
  [0.00002 color rgbf <0.9647,0.8824,0.7255,0.0000>]
  [0.00477 color rgbf <0.9647,0.8824,0.7255,0.0000>]
  [0.00477 color rgbf <0.0353,0.4706,0.6706,0.0000>]
  [0.00984 color rgbf <0.0353,0.4706,0.6706,0.0000>]
  [0.00984 color rgbf <0.8784,0.8784,0.8784,0.0000>]
  [0.04249 color rgbf <0.8784,0.8784,0.8784,0.0000>]
  [0.04249 color rgbf <0.9961,0.8157,0.4275,0.0000>]
  [0.06255 color rgbf <0.9961,0.8157,0.4275,0.0000>]
  [0.06255 color rgbf <0.9529,0.7529,0.3647,0.0000>]
  [0.10295 color rgbf <0.9529,0.7529,0.3647,0.0000>]
  [0.10295 color rgbf <0.9216,0.6902,0.3020,0.0000>]
  [0.12085 color rgbf <0.9216,0.6902,0.3020,0.0000>]
  [0.12085 color rgbf <0.7725,0.8980,0.2784,0.0000>]
  [0.18376 color rgbf <0.7725,0.8980,0.2784,0.0000>]
  [0.18376 color rgbf <0.2549,0.6667,0.3294,0.0000>]
  [0.26845 color rgbf <0.2549,0.6667,0.3294,0.0000>]
  [0.26845 color rgbf <0.7020,0.8863,0.9020,0.0000>]
  [0.29742 color rgbf <0.7020,0.8863,0.9020,0.0000>]
  [0.29742 color rgbf <0.7020,0.8431,0.9098,0.0000>]
  [0.32398 color rgbf <0.7020,0.8431,0.9098,0.0000>]
  [0.32398 color rgbf <0.0000,0.6275,0.7765,0.0000>]
  [0.36827 color rgbf <0.0000,0.6275,0.7765,0.0000>]
  [0.36827 color rgbf <0.8941,0.7725,0.8824,0.0000>]
  [0.42196 color rgbf <0.8941,0.7725,0.8824,0.0000>]
  [0.42196 color rgbf <0.6941,0.5373,0.7725,0.0000>]
  [0.45369 color rgbf <0.6941,0.5373,0.7725,0.0000>]
  [0.45369 color rgbf <0.5961,0.2235,0.6000,0.0000>]
  [0.46310 color rgbf <0.5961,0.2235,0.6000,0.0000>]
  [0.46310 color rgbf <0.9804,0.6039,0.6392,0.0000>]
  [0.48081 color rgbf <0.9804,0.6039,0.6392,0.0000>]
  [0.48081 color rgbf <0.9412,0.5882,0.3216,0.0000>]
  [0.49926 color rgbf <0.9412,0.5882,0.3216,0.0000>]
  [0.49926 color rgbf <0.7922,0.2353,0.2510,0.0000>]
  [0.55166 color rgbf <0.7922,0.2353,0.2510,0.0000>]
  [0.55166 color rgbf <0.6000,0.7686,0.7098,0.0000>]
  [0.58690 color rgbf <0.6000,0.7686,0.7098,0.0000>]
  [0.58690 color rgbf <0.4039,0.5804,0.4275,0.0000>]
  [0.66273 color rgbf <0.4039,0.5804,0.4275,0.0000>]
  [0.66273 color rgbf <0.8000,0.8078,0.6627,0.0000>]
  [0.71089 color rgbf <0.8000,0.8078,0.6627,0.0000>]
  [0.71089 color rgbf <0.6000,0.6471,0.4275,0.0000>]
  [0.73340 color rgbf <0.6000,0.6471,0.4275,0.0000>]
  [0.73340 color rgbf <0.6000,0.5804,0.2863,0.0000>]
  [0.76753 color rgbf <0.6000,0.5804,0.2863,0.0000>]
  [0.76753 color rgbf <0.9608,0.9843,0.9412,0.0000>]
  [0.77251 color rgbf <0.9608,0.9843,0.9412,0.0000>]
  [0.77251 color rgbf <0.8863,0.9569,0.8784,0.0000>]
  [0.78026 color rgbf <0.8863,0.9569,0.8784,0.0000>]
  [0.78026 color rgbf <0.7725,0.9098,0.7255,0.0000>]
  [0.79004 color rgbf <0.7725,0.9098,0.7255,0.0000>]
  [0.79004 color rgbf <0.6000,0.8431,0.7020,0.0000>]
  [0.81864 color rgbf <0.6000,0.8431,0.7020,0.0000>]
  [0.81864 color rgbf <0.4000,0.7529,0.5725,0.0000>]
  [0.85037 color rgbf <0.4000,0.7529,0.5725,0.0000>]
  [0.85037 color rgbf <0.2549,0.6118,0.4078,0.0000>]
  [0.87048 color rgbf <0.2549,0.6118,0.4078,0.0000>]
  [0.87048 color rgbf <0.0039,0.5020,0.3333,0.0000>]
  [0.90092 color rgbf <0.0039,0.5020,0.3333,0.0000>]
  [0.90092 color rgbf <0.8431,0.8275,0.6667,0.0000>]
  [0.92066 color rgbf <0.8431,0.8275,0.6667,0.0000>]
  [0.92066 color rgbf <0.7137,0.6824,0.4275,0.0000>]
  [0.94096 color rgbf <0.7137,0.6824,0.4275,0.0000>]
  [0.94096 color rgbf <0.4000,0.6627,0.2941,0.0000>]
  [1.00000 color rgbf <0.4000,0.6627,0.2941,0.0000>]
}