Petrified Wood
![Image: Petrified Wood](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/DSC01199a.jpg?itok=IMdTkfst)
Detailed Description
A petrified log in the Valley of Fire Nevada State Park. Petrified wood occurs when a tree, or a plant similar to a tree, undergoes a kind of fossilization known as "permineralization," in which all the organic parts of the tree are replaced with minerals.
Sources/Usage
Public Domain.