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MICA-SCHIST, in petrology, a rock composed essentially of mica and quartz, and having a thin parallel-banded or foliated structure, with lamellae rich in mica alternating with others which are principally quartz. ... In some districts it is possible to trace every gradation from a slate to a mica-schist,
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www.1911encyclopedia.org/Mica-Schist
www.1911encyclopedia.org/Mica-Schist
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A dark mica schist from Manhattan. ... More heat and pressure creates a heavily foliated rock in which all the original clay minerals are fully transformed. This mica schist is in New York City.
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geology.about.com/od/more_metrocks/ig/metamorphics/schi...
geology.about.com/od/more_metrocks/ig/metamorphics/schist.htm
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Schists are commonly described in terms of their predominant minerals. This specimen, for example, would be called a mica schist because the flat, shiny grains of mica are so abundant. Other possibilities include blueschist (glaucophane schist) or amphibole schist.
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geology.about.com/od/rocks/ig/metrockindex/rocpicschist...
geology.about.com/od/rocks/ig/metrockindex/rocpicschist.htm
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The mica schist bedrock also plays an important role in where the skyscrapers of Manhattan are constructed. The ground is more stable where the schist is ...
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www.microscopy-uk.org.uk/mag/artnov08macro/Samuels/inde...
www.microscopy-uk.org.uk/mag/artnov08macro/Samuels/index.html
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Encyclopedia article about mica schist. Information about mica schist in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary. ... Here the green beryl, which is coloured by Cr, occurs within mica schist close tn its contact with quartz veins spawned by a nearby granite intrusion (Groat et al.
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encyclopedia2.thefreedictionary.com/mica+schist
encyclopedia2.thefreedictionary.com/mica+schist
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Hutchinson encyclopedia article about Mica schist. Mica schist. Information about Mica schist in the Hutchinson encyclopedia. ... (redirected from Mica schist)
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encyclopedia.farlex.com/Mica+schist
encyclopedia.farlex.com/Mica+schist
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Hutchinson encyclopedia article about Mica-schist. Mica-schist. Information about Mica-schist in the Hutchinson encyclopedia. ... (redirected from Mica-schist)
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encyclopedia.farlex.com/Mica-schist
encyclopedia.farlex.com/Mica-schist
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The flake mica produced in the U.S. comes from several sources: the metamorphic rock called schist as a by-product of processing feldspar and kaolin resources, from placer deposits, and from pegmatites. Canada, India, Finland, and Japan export flake mica to the U.S.
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www.mii.org/Minerals/photomica.html
www.mii.org/Minerals/photomica.html
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Mica schist often contains muscovite mica rather than biotite, although both minerals are common. It represents a somewhat higher grade of metamorphism than talc schist and is more coarse-grained; individual flakes of mica can be seen.
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geology.csupomona.edu/alert/metamorphic/schist.htm
geology.csupomona.edu/alert/metamorphic/schist.htm
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