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A recumbent fold is exposed in the walls of an abandoned limestone quarry next to the Shenandoah River in Page County, Virginia.
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A recumbent fold is exposed in the walls of an abandoned limestone quarry next to the Shenandoah River in Page County, Virginia.
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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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This outcrop is found on South Page Valley Road, near the intersection with Bixlers Ferry Road, west of the South Fork of the Shenandoah River and east of Massanutten Mountain. It shows lower Martinsburg Formation limy shale (late Ordovician depositional age) folded and cleaved during Alleghanian mountain-building (lat...
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Field of view is approximately 15 by 20 mm. Crossed polarized light. Thin section of a chloritoid (shades of gray) schist. Muscovite is brightly colored and chlorite is brown. Zonal crenulation cleavage is nearly vertical. Taken with the automated thin section imaging system at Williams College
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Field of view is approximately 15 by 20 mm. Plane polarized light. Thin section of a chloritoid (pleochroic blue, green, and yellow) schist. Muscovite is nearly white and chlorite is brown. Zonal crenulation cleavage is nearly vertical. Taken with the automated thin section imaging system at Williams College
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Field of view is approximatly 15 by 20 mm. Crossed polars. Image is a garnet-chloritoid schist from Jamaica, Vermont. Large porphyroblast of garnet (nearly opaque) contains gently curved inclusion trail of chloritoid. Chloritoid is appears as shades of gray. Well developed crenulation cleavage in right third and lower ...
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Field of view is approximatly 15 by 20 mm. Image is a garnet-chloritoid schist from Jamaica, Vermont. Large porphyroblast of garnet contains gently curved inclusion trail of chloritoid. Pleochroic chloritoid is blue, green, and yellow. Well developed crenulation cleavage in right third and lower left corner of image. ...
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The West Castleton Fold was the subject of my second ever (non-robotic) GigaPan (share.gigapan.org/viewGigapan.php?id=1204).This shot illustrates the axial region of a recumbant syncline in the Poultney Formation of the Giddings Brook Slice of the Taconic Allochthon. This outcrop is a textbook example of axia...
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