#fossilisation__fossilization  the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone
  supertype:  natural_process__naturalproces__natural_action__naturalaction__action__activity  a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
  subtype:  petrification__petrifaction  the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape

No statement uses or specializes fossilisation; click here to add one.