Tuscarora Sandstone
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The Silurian Tuscarora Formation — also known as Tuscarora Sandstone or Tuscarora Quartzite — is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia, US.
Outcrop of Tuscarora Formation in Thickhead Wild Area, Centre County, Pennsylvania
Tuscarora quartzite cliff on the west side of North Fork Mountain in West Virginia.
Conformable contact of overlying Tuscarora Formation (white rock, left) with underlying Juniata Formation (red rock, right) at the Narrows along U.S. 30 in Bedford County, Pennsylvania.
Sample of Silurian Tuscarora Formation collected from Bald Eagle Mountain, Centre County, Pennsylvania, showing Diplocraterion trace fossil at left. Specimen is ~22cm high.
Shawangunk Formation
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The Silurian Shawangunk Formation is a mapped bedrock unit in eastern Pennsylvania, New Jersey, and New York. It is named for the Shawangunk Ridge for which it is the dominant rock type. The division
Tuscarora Sandstone
…Juniata Formation and conformably below the Clinton Group in Pennsylvania. The Tuscarora is a lateral equivalent of the Minsi and Weiders members of the Shawangunk Formation in eastern Pennsylvania, New Jersey, and New York, and of the Massanutten Formation in Virginia, and the Clinch Sandstone farther south. Butts (1940…
Exposure of the Shawangunk at Lehigh Gap in Pennsylvania
Cliff shaped by glacial movement surrounding the Mohonk Lake at Mohonk Mountain House on Shawangunk Ridge
Hand sample of the Shawangunk conglomerate from Blue Mountain, near New Tripoli, Pennsylvania
Shawangunk Formation (in foreground) at High Point State Park in New Jersey