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Fossilized Carbon Film of Fern

Fossilized Carbon Film of Fern
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An outstanding example of a carbon film of a fern from the Paleozoic Era, Carboniferous / Pennsylvanian Period. Very rarely organisms containing a high content of carbon (i.e. plants) are subjected to extreme pressure and heat. These conditions force all gas and liquid from the organism leaving a thin film of carbon residue, forming a silhouette of the original organism. Overall size measures 3.5 inches by 3.5 inches. Age: 300 million to 360 million years old. Location: King George, VA.

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