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  1. Sample 3130A. Thin section of deformed Cheshire Quartzite from 1 m above the Rattlesnake thrust in Pownal, Vermont, on the southwest margin of the Green Mountain massif. Field of view is approximately 34 by 21 mm. Plane Polarized light. Taken with the automated thin section imaging system at Williams College.

  2. Sample 3130A. Thin section of deformed Cheshire Quartzite from 1 m above the Rattlesnake thrust in Pownal, Vermont, on the southwest margin of the Green Mountain massif. Field of view is approximately 34 by 21 mm. Crossed Polarized light. Taken with the automated thin section imaging system at Williams College.

  3. Sample 3077BP: Thin section of deformed Cheshire Quartzite from 20 m above thrust fault on west side of Dry Hill, New Marlborough, Massachusetts, a klippe west of the Berkshire massif. Field of view is approximately 34 by 21 mm. Crossed Polarized Light. Taken with the automated thin section imaging system at Willi...

  4. At Ableman's Gorge, a former quarry, 1.7 billion year old ripple marks form a vertical wall scores of feet high. Stop and think about what that means -- the sand that eventually became this rock was laid down at a time when the only living things on planet were unicellular. And the forces that can stand this up to vert...

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  6. This is the rock outcropping as you pass on US Route 33 on the way to Judy Gap from Franklin, WV. Instead of using gigastitch software, I used Photoshop to merge these images which created a much smoother blend (warning: too many images can kill Photoshop if you don't have enough RAM).

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  7. Sample 3130A. Quartz, plagioclase, microcline, muscovite grains deformed in a fault zone. Field of view is approximately 5 by 7 mm. Created with the automated thin section imaging system at Williams College.

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  8. Thin section of micaceous quartzite from the Rattlesnake Thrust from Pownal, Vermont. Field of view is approximately 20 by 27 mm. Dark seams are muscovite-chlorite-rich layers, and some folds are defined by the layers. Scattered feldspar grains also present. Crossed polarizers at 65 degrees. Created with the automat...

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