MariopterisMariopterisRock Type: Gray shale
Formation: Allegheny
Interval: 5-Block seam
Age: Middle Pennsylvanian Period, approx. 303 million years.
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.
