Rock Type: Sandy shaleFormation: Kanawha
Interval: Coalburg seam
Age: Middle Pennsylvanian Period, approx. 307 million years.
Rock Type: Sandy shale
Formation: Kanawha
Interval: Coalburg seam
Age: Middle Pennsylvanian Period, approx. 307 million years.
This specimen shows the stem and seed pods of Sphenopteris.
Location: Nicholas County, West Virginia; Ramp Run Surface Mine
#1, located about 12 miles north of Summersville, West Virginia.
