petrifaction

Noun
  1. The process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape (synset 113556786)
    is a type of: fossilisation, fossilization - the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone
    same as: petrification
  2. A rock created by petrifaction;
    An organic object infiltrated with mineral matter and preserved in its original form (synset 109413573)
    is a type of: rock, stone - a lump or mass of hard consolidated mineral matter

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