These subtle leaf scars of Sigillaria were photographed in-situ in the mine roof immediately overhead the Lower Chilton Seam in an underground coal mine in southern West Virginia.
A close-up view is available.
Rock Type: Gray shale
Interval: Lower Chilton seam
Age: Middle Pennsylvanian Period, approx. 308 million years.
Location: Boone County, West Virginia; Candice Mine No. 2, operated by Peabody Coal Company, located about 2.4 miles west of Wharton, West Virginia. Collecting by the public is generally not available here.