8" Petrified Wood (Araucaria) Round - Arizona

This is an 8" wide, polished round of petrified wood from Navajo County, Arizona. Most of the petrified wood that comes out of Arizona is Araucarioxylon but this is Araucaria. It's been polished to a mirror like finish on one side and comes with a display stand.

This round was part of a old petrified wood collection that I recently bought containing petrified wood from many unusual locations. Be sure to keep an eye out for more great specimens.

Petrified wood is the name given to wood that has been turned into stone (fossilized) through the process of permineralization. All of the organic matter becomes replaced by minerals, while much of the original structure such as tree rings in retained. For this to happen the wood needs to be buried in an environment both low in oxygen (preventing decomposition) and with flowing, mineral-laden water. The coloration is due to the various minerals that are present during fossilization. For example red colors are due to iron compounds, greens due to copper, etc.

Araucaria sp.
Navajo County, Arizona
Chinle Formation
8x6.1", .6" thick
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