石せき化か

noun, noun or participle which takes 'suru', intransitive verb

petrification; fossilization; mineralization

Refers to the process of turning into stone, whether organic material becoming fossilized or minerals precipitating to form rock. Used in geology and paleontology.

• 木きが長ながい年ねん月げつをかけて石せき化かした。

  The wood petrified over many years.

• この化か石せきは石せき化