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A nice example of plumose structure (fine-grained topographic variations that amount to "joint anatomy") on a joint face in sandstone, variably stained by iron oxide. The long vertical "tubes" are drill holes for the blasting of this road-cut. Vetch and mullein and other native West Virginia roadside vegetation may als...
An outcrop of Devonian Mahantango Formation shale along the Fort Valley Road, adjacent to a meander in Passage Creek. Hematite-stained trace fossils and large (~10 cm) carbonate nodules can be seen in this outcrop, as well as nice examples of plumose structure. The outcrop surface is mainly defined by the cleavage plan...