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Tree Mold

Tree Mold

This deep hole was formed by a tree. It was buried in mud, and rotted away after the mud had hardened into rock. This type of fossil is called a mold. The opening is about three feet across.

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This photo by unless otherwise noted. You may use it for noncommercial purposes without permission as long as it is unmodified, and clearly credited to me. A link to my website would also be nice, but is not required.  © 2007-2013

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