7.7" Petrified Wood Bookends - McDermitt, Oregon

This is a pair of large bookends made from Late Triassic age, unidentified petrified wood from McDermitt, Oregon. The bookends have been polished on the outer face to highlight the details. The flat edges have been lined with felt.

Each bookend varies slightly in size, one measures 7.7" tall, 5" wide and 1.7" thick, the other 7.5" tall, 5" wide and 1.8" thick. There is a permanently-repaired natural fissure in the "right" (as seen in the main photo) bookend.

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.
McDermitt, Oregon
7.7 x 5 x 1.7"
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