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Gigapans

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  1. Cambrian-aged Harpers Formation meta-mudstone exposed on the property of Arlington, Virginia's outdoor education facility, the Phoebe Hall Knipling Outdoor Lab.

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        Print Pricing
        $11.99 to $115.99
        Size
        1.66 Gigapixels
        Added
        April 18, 2013
        Date Taken
        April 17, 2013
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  2. Muscovite schist (metamorphosed Harpers Formation?) from Throroughfare Gap / Bull Run Mountain, Virginia, bearing euhedral porphyroblasts of magnetite. Sample measures 8.5 by 2.5 cm. Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College's gigamacro...

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  3. This is my first thin-section gigapan. I've been wanting to stitch and upload one of these on Gigapan for a long time. A `thin-section' is a slice of rock that's been cut and ground until it's a mere 30 microns thick. (That's 0.03mm, or 0.0013 inch.) Thin sections are used by geologists to examine rocks in microscop...

  4. Thin section photo of graphitic schist from roadcut in Pownal Center, Vermont, along Rt. 7. Taken with 4x objective. Field of view is approximately 20 by 15 mm. Taken with automated imaging system at Williams College.

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  5. A garnet-bearing schist -- a wee bit underexposed... :(

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  6. 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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  7. 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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  8. 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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  9. 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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  10. Sample 4012. Plagioclase contains abundant inclusions of graphite. Matrix is graphite-poor. Image is approximately 8 by 10 mm. Taken with the automated thin section imaging system at Williams College.

    • 247110-210x140

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