![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Petrified-wood-2.jpg/640px-Petrified-wood-2.jpg&w=640&q=50)
Foraois chlochraithe
From Wikipedia, the free encyclopedia
Toradh ar phróiseas iontaisithe ar adhmad ina malartaítear an t-adhmad le silice, calcadóine nó ópal de ghnáth, trí inshíothlú uisce atá saibhir i mianraí. Uaireanta, caomhnaítear mionstruchtúr an adhmaid go foirfe. Sampla iontach is ea Páirc Náisiúnta na Foraoise Clochraithe i stát Arizona, SAM a bunaíodh sa bhliain 1962.[1]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Petrified-wood-2.jpg/640px-Petrified-wood-2.jpg)