Mahantango Formation, Trinity Church site, Fort Valley, Virginia.
Hutton's classic unconformity (Devonian red beds over Silurian graywacke and shale).
At the Caves of Cushendun, an arkosic conglomerate can be found.
Volcanic rock at crazy storm beach near Eshaness. Devonian aged ignimbrite.
Pressure solution seams in Devonian-aged Helderburg Group limestone from Corridor H.
Evidence of latest Devonian glaciation in the Appalachian Basin.
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