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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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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.
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Microbial Interactions in Pathogenic Fungus
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- 242
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Thin Section Photograph, with plane polarized light, of Norite taken with the automated imaging system at Williams College. Field of view is approximately 20 by 30 mm. Leica microscope, Nikon camera, and custom designed and built stage adaptor with stepper motors. Mineralogy consists of two pyroxenes (ortho-pyroxene ...
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- 255
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Thin section view of a granitoid from the southern Sierra Nevada Batholith.
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- 2333
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This is a thin section of dunite, a rock made up almost entirely of the mineral olivine, as seen in cross-polarized light through a Leica Z6 APO Macroscope. There is a band of black mineral grains to the left of center of the image that is a cumulate layer of the mineral chromite - in the magma chamber from which these...
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This is a thin section of dunite, a rock made up almost entirely of the mineral olivine, as seen in cross-polarized light through a Leica Z6 APO Macroscope. There is a band of black mineral grains to the left of center of the image that is a cumulate layer of the mineral chromite - in the magma chamber from which thes...
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- 7162
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- 111
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