Free-Standing Polished Petrified Wood Limb - Madagascar

 
This is a free-standing limb section of Triassic aged (220 million years old) petrified wood from Ambilobe, Madagascar. It comes from an Araucaria tree, an extinct type of conifer. Both faces have been polished to show of the inner wood detail. It has been diagonally cut for a larger display surface.

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.

DETAILS
SPECIES
Araucaria (Conifer)
LOCATION
Ambilobe, Madagascar
FORMATION
Unknown
SIZE
3.9" wide, 3.1" tall, 1.5 lbs
ITEM
#11662
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