Rock Type: Sandstone
Interval: Middle Kittanning seam
Age: Middle Pennsylvanian Period, approx. 301 million years.
Cordaites were primitive gymnospermous trees that went extinct millions of years ago. No lineage of descendants survives today.
Shown here is an example of a pattern produced as a cast of one of the pith layers of the main trunk. This pattern may or may not have been visible at some point on the outside of the trunk itself.
Location: Wayne County, West Virginia; Rollem Fork Surface Mine #2, located about 8.5 miles west of Atenville, West Virginia. Take Route 68 west for 3 miles, turn left on Route 68 / 1 (Francis Creek Road) and drive approximately 6 miles. Just before Frances Creek empties into Kiah Creek a dirt road branches off to the right up a small hill. Site is 1 mile up this dirt road on the right..