Red, Polished Madagascar Petrified Wood Dish - 7.8"

This is a richly colored, polished dish of petrified Araucaria (extinct Conifer) wood from Ambilobe, Madagascar. It is 7.8x7" and one side has been polished into a dish shape, with a mirror like finish showing off the amazing mineralization of this wood fossil. It is from the early Triassic period, approximately 220 million years old, close to the time the first dinosaurs appeared on the planet.

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 (Conifer)
Ambilobe, Madagascar
Isalo II Formation
7.8x8", 1.6" thick
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