// cpt-city: wkp/strat/eons (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 eons =
color_map {
  [0.00000 color rgbf <0.6039,0.8510,0.8980,0.0000>]
  [0.11292 color rgbf <0.6039,0.8510,0.8980,0.0000>]
  [0.11292 color rgbf <0.9843,0.6039,0.5804,0.0000>]
  [0.52083 color rgbf <0.9843,0.6039,0.5804,0.0000>]
  [0.52083 color rgbf <0.9412,0.0078,0.4980,0.0000>]
  [0.79167 color rgbf <0.9412,0.0078,0.4980,0.0000>]
  [0.79167 color rgbf <0.8157,0.2510,0.2510,0.0000>]
  [1.00000 color rgbf <0.8157,0.2510,0.2510,0.0000>]
}