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Teeming with garnets big and small, fresh and weathered, the Setters Schist is a muscovite schist metamorphosed from a pelitic protolith in (presumably) the Taconian orogeny. It also features staurolite, which is present in this sample, and kyanite, which isn't. Sample collected in Sparks, MD. Image made as part ...
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- 527
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- 46
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Cross-sectional view of folded Martinsburg Formation beds . On the left (south), the bedding is oriented 030°, 38° (right hand rule). On the right (north), it's oriented 245°, 30° (right hand rule).
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- 199
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- 37
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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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- 205
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- 34
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This is a subvertical bedding plane (220° / 80°, right hand rule) of the late Ordovician Martinsburg Formation, showing the bottom of a turbidite bed. Several features are visible in this bottom-up perspective.
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- 259
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- 32
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This is a subvertical bedding plane (220° / 80°, right hand rule) of the late Ordovician Martinsburg Formation, showing the bottom of a turbidite bed. Several features are visible in this bottom-up perspective.
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- 1
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- 239
- Explore Score
- 32
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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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- Total Views
- 187
- 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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- 238
- Explore Score
- 30
- 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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- 237
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- 29
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Cross-sectional view of inclined Martinsburg Formation beds (020°, 62° right hand rule). Take a look and ask yourself: What's the structure doing here? :)
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- 123
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- 26
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Cross-sectional view of folded Martinsburg Formation beds (XXX°, XX° right hand rule).
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- 176
- Explore Score
- 24

