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Outcrop of the late-Ordovician-aged Martinsburg Formation (turbidites/flysch) shed off the Taconian Orogen to the east into the adjacent deep marine basin. The strata were later tilted and cleaved during Alleghanian mountain-building.
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- 144
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- 33
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Outcrop of the late-Ordovician-aged Martinsburg Formation (turbidites/flysch) shed off the Taconian Orogen to the east into the adjacent deep marine basin. The strata were later tilted and cleaved during Alleghanian mountain-building.
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- 191
- Explore Score
- 31
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Outcrop of the late-Ordovician-aged Martinsburg Formation (turbidites/flysch) shed off the Taconian Orogen to the east into the adjacent deep marine basin. The strata were later tilted and cleaved during Alleghanian mountain-building.
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- 166
- Explore Score
- 36
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Massanutten Sandstone, folded into an anticline. To view a sample of the Massanutten Sandstone in macro detail, try this: gigapan.com/gigapans/126687
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- 180
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- 24
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Massanutten Sandstone, folded into an anticline. To view a sample of the Massanutten Sandstone in macro detail, try this: gigapan.com/gigapans/126687
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- 189
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- 39
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This outcrop of the late Ordovician Martinsburg Formation is located on Route 644 in Shenandoah County, about 20 feet above the North Fork of the Shenandoah River. GigaPan Stitch seems to have had some issues putting it together, which is frustrating. Still, there's a lot to be seen. At this outcrop, bedding is o...
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- Martinsburg Formation, Millner Road (near Deer Rapids Road), Shenandoah County, Virginia by Callan Bentley
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This outcrop of the late Ordovician Martinsburg Formation is located on Route 644 in Shenandoah County, about 60 feet above the North Fork of the Shenandoah River. At this outcrop, bedding is oriented 042°, 72° (right hand rule: it strikes N42°E, and dips 72° to the southeast). Cleavage is oriented 212°, 83° (...
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- 198
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- 29
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This is a classic outcrop in Appalachian stratigraphy. Overall, it shows the transition from the passive margin sedimentation (limestone) of the Cambrian and early Ordovician Sauk and Tippecanoe epeiric seas into the increasing clastic (sand and mud) influence of active margin sedimentation associated with the onset of...
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