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Bouma sequences in the Devonian Trimmers Rock prodelta sequence along the Juniata River in Newport, Pennsylvania.
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- 52
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- 30
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Acadian turbidites, folded during the Alleghanian Orogeny. Look for slickensides, trace fossils, turbidity current structures. For more information on the Brallier, check out this map of the location: ngmdb.usgs.gov/ngm-bin/pdp/zui_viewer.pl?id=8643

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- 106
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- 39
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Syncline adjacent to the Patterson Creek Mountain Anticline, exposed in West Virginia, along Corridor H. For other views of this site, see: gigapan.com/gigapans/103106 gigapan.com/gigapans/103090 gigapan.com/gigapans/103089 gigapan.com/gigapans/91448
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Here is the base of the Foreknobs section exposed along rt 50 near Chambersville Virginia on the east limb of the Mt Pleasent Syncline. Here is shown the lowest massive marine sandstone which seperates itself from silty/sandy turbidites of the Brallier Formation. This Image is part of the Mid Atlantic Geo-Imagery Col...
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- 154
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- Outcrop at the intersection of Fort Valley Road and Ramsey Road, Fort Valley, Virginia by Callan Bentley
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This area is mapped by Rader & Biggs (1976) as Mahantango Formation. Note pencil cleavage on breakdown slopes. Bedding is discernible in the most cleanly-exposed portion of the outcrop (center). Structural orientations (right-hand rule): Bedding: 205°, 25° Cleavage: 021°, 90° Image made as part of the Mid...
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Brachiopod body fossils in the Ridgeley Member of the Old Port Formation, a Devonian sandstone (quartz arenite) which outcrops in Maryland, Pennsylvania, and West Virginia. This outcrop is in a railroad cut on the Great Allegheny Passage, approximately one mile northeast of the intersection of Cash Valley Road with ...
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Here is a nice folded section of the Devonian-age Foreknobs formation West of Gore, Virginia along US rt 50. The Foreknobs Formation ( formerly known as the Chemung) is a mixed package of brownish red to grey sandstone siltstone shale and minor conglomerate
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Another look at some nice exposures of the Devonian Foreknobs Formation along Rt 50 west of Gore, Va.
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This is a look at a few small folds in the sandstones, siltstones and shales of the Devonian Foreknobs Formation.
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- 164
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The Paw Paw Tunnel on the C&O Canal exposes some fine geology, like these Brallier Formation slabs which, here, dip into the Tunnel Hollow, with a potential for breaking off and slipping down into the valley.
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