5.9" Triassic Petrified Wood (Araucaria) Section - Circle Cliffs, Utah

This is a large and beautiful section of petrified wood (Araucaria) from the Circle Cliffs, Utah. Araucaria is an extinct conifer from the same family as modern Monkey Puzzle trees. This log is polished on one end to highlight the grain and inclusions. This log section varies in thickness, with the thinnest point measuring 4.2" and the thickest at 5.1".

Petrified wood is the name given to wood that has been turned into stone (fossilized) through the process of permineralization. In this process, all of the organic matter becomes replaced by minerals, while much of the original structure, such as tree rings, is retained. For this to happen, the wood needs to be buried in an environment low in oxygen to prevent decomposition and with flowing, mineral-laden water, so minerals may replace structures. The coloration is caused by various minerals that present in that water during fossilization. For example, red colors are due to iron compounds, greens due to copper, and so on.
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DETAILS
SPECIES
Araucaria
LOCATION
Circle Cliffs, Utah
SIZE
5.9 x 4.5", up to 5.1" thick
CATEGORY
SUB CATEGORY
ITEM
#129535
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