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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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We hit Devils Tower right after the Badlands, opting to skip stopping at Mt. Rushmore. Mt. Rushmore is an incredible feat of engineering and a great tribute to four undeniable american leaders but not a place I would regret not seeing... Although a bit anti-climatic after being in the Badlands, Devil's Tower was ...
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These are Minerals 36-70 for Geo 306
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Oooh, look at all the pretty minerals!
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Giving macros another try with the new Stitcher 0.4.3510. Much better results, so far...
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This is a view of the mine dump of the Dan Patch Pegmatite Mine, just west of Keystone, South Dakota. The light colored pegmatite rock is composed primarily of large crystals of quartz, albite feldspar, and muscovite, with lesser amounts of tourmaline and beryl. The pegmatite is an igneous rock that was intrusive int...
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