The trunk of cordaites was generally smooth, but with subtle horizontal furrows. Part of the inner pith cavity vascular structure is visible at the bottom of this specimen. A closeup view of this part of the specimen is available.
Rock Type: Siltstone
Interval: Eagle Seam
Age: Middle Pennsylvanian Period, approx. 313 million years.
Location: Nicholas County, West Virginia; Ramp Run Surface Mine #1, located
about 12 miles north of Summersville, West Virginia. Turn west off route
19 north of Summersville on Spruce Run Road .