Past Preserved: Photos of the Petrified Forest

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Petrified Wood

Credit: Linda & Dr. Dick Buscher
Petrified wood is a fossil that is the remains of ancient vegetation, most commonly ancient trees. It occurs by a natural action known as permineralization,…Read More »

a process in which mineral deposits take on the shape within the cells of organic tissue. These minerals replace all the organic materials of the ancient trees, most commonly with a silicate such as quartz.   Less «
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