Fossil wood (Pennsylvanian; tributary of Shade Creek, Athens County, Ohio, USA)

Fossil wood (Pennsylvanian; tributary of Shade Creek, Athens County, Ohio, USA)

photographed 2011 · Quartz-permineralized fossil wood from the Pennsylvanian of Ohio,…

Wikimedia Commons · Petrified wood · CC BY 2.0 · James St. John

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