The mineral assemblage comprises quartz, K-feldspar, albitic plagioclase, white mica, apatite, tourmaline and garnet. |
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With increasing content of white mica the fabric changes from massive to schistose. |
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There is a clear correlation between sieve fraction and apparent age for white mica separates. |
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Secondary titanite, chlorite, white mica and pyrrhotite are abundant, and some samples contain metamorphic biotite. |
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Andalusite porphyroblasts that overgrow the S 1 fabric were pseudomorphed by colourless mica. |
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The rocks here are composed of mica schist, and garnets are often found embedded in them. |
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Consequently, white mica populations and even individual grains may represent compositionally and isotopically heterogeneous systems. |
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It consists of quartz, K-feldspar, plagioclase, biotite and white mica, and in places displays a graphic texture. |
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We used the cleavage plane of mica crystals as a model substrate in this work. |
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The slate, where thermally metamorphosed, has been turned into siliceous hornfels and mica schist. |
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These planes, referred to as slaty cleavage, are caused by the rearrangement of minerals such as mica, chlorite, and clay within the rock. |
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Water, carbon disulphide, and various other liquids, when they are examined in mica vessels, seem also to be transparent. |
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The Ogluinsky mine specimens are millimeter-sized octahedra, and the Nicolay mine specimens are unabraded and have mica attached. |
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They have parallel bright shiny mica wrapping round large grains of pink garnet, brown staurolite, or blue kyanite. |
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Corundum occurs as an accessory mineral in some metamorphic rocks, such as mica schist, gneiss, and crystalline limestone. |
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Thus, the competition between monovalent and divalent cations acts only on the DNA sites and does not act on the mica sites. |
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Xenic rocks, some of chalk, some of limestone, sandstone marls mica shist, and gypsum, are very fertile. |
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Amazingly, the wind rose on the compass, and the original mica cover have survived intact. |
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The monazite grains are located along fractured mica foliation planes that run along the base of larger metamorphic minerals. |
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Subsequent melting of mica pyroxenite may produce potassic magmas as a result of orogenic or extensional, thermal or bark triggers. |
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I spent a lot of time on the beach picking up little pieces of mica and quartz and granite that I thought looked interesting. |
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Her collection is not large, but it includes mica, aquamarine, tourmaline, and other pretty stones. |
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Her collection is not much but it includes mica, aquamarine, tourmaline, rubies and rose quartz. |
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The binding of a DNA molecule to freshly cleaved mica surface in solution has also been measured. |
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Other common minor constituents of eclogite include kyanite, orthopyroxene, rutile, amphibole, pyrite, and white mica. |
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Based on this principle, mica has been successfully used in numberless studies especially for AFM imaging of moving double-stranded DNA and DNA-protein complexes in liquid. |
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The pretreatment by transition metal cations helps to adsorb DNA on mica because it neutralizes the mica surface charge and then weakens the repulsive pressure. |
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The presence of kyanite in these rocks suggests that they may have experienced temperatures higher than the closure temperature of the mica, however. |
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Zircon, monazite, xenotime and white mica were extracted from the sample. |
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The foliation is marked by chloritc, white mica and minute quartz grains. |
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This partial drying could remove some of the water layer between mica and the bilayer, increasing the electrostatic repulsion between the substrate and lipid. |
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Among them mica Mosbacher, who is now a regent at the University of Houston. |
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But mica also wisely created a provision that allowed airports to opt-out of the TSA and use private screeners instead. |
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Quartz, feldspar, white mica and biotite are all major constituents. |
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Each page is covered in a translucent layer of white acrylic and mica that partially obscures the text, which is printed in an old-fashioned Gothic font. |
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This resulted in a hydrophobic, self-assembled monolayer of octanethiol, chemisorbed to the gold-covered areas, whereas the mica regions remained uncovered. |
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When a member of our tour noticed that some of the sheets contained sprays of indicolite tourmaline, we all descended upon the mica heap like a swarm of locusts. |
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Precambrian metamorphism and migmatization and the wide spectrum of mainly Alpine mica ages provide clear evidence for such a polyphase geological history. |
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A nickelplated warrior gleamed from the top of a baseburner that showed pink through its mica doors. |
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Substrates available with the LP treatment include talc, sericite, mica, titanium dioxide and iron oxides. |
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For exceptionally demanding applications, shields made of FEP, KEL-F or mica are also available to protect the sight glass. |
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Tin mineralization is focused within a chloritic, garnetiferous amphibolite unit within felsic mica schists. |
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Additionally inorganic residues such as ochre, mica and vivianite were observed. |
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Interstitial augite and pigeonite have in part been altered to amphibole and mica. |
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Plants are shallowly and weakly rooted in a silt soil containing biotite mica and albite feldspars. |
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During the 17th century the first deposits of iron and copper ores, mica, gemstones and other minerals were discovered in the Ural. |
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The island is rich in minerals such as ilmenite, feldspar, graphite, silica, kaolin, mica and thorium. |
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There are two main types of mica used in industrial applications, phlogopite and muscovite. |
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Millions of years ago the mica schists surrounding the old Brandberg West Mine became folded and concertinaed by enormous horizontal pressures. |
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This tourmalinisation occurred during the late stages of cooling of the granite, as feldspar and mica were partly replaced by tourmaline. |
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The most abundant silicate minerals on Earth's surface include quartz, feldspars, amphibole, mica, pyroxene and olivine. |
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In most sedimentary rocks, mica, feldspar and less stable minerals have been reduced to clay minerals like kaolinite, illite or smectite. |
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There are just two types of mica which can be used in electrical technology muscovite and phlogopite. |
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Nonoxidized ones consisted mainly of nasturan with black, gummite and uranium mica. |
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The seasons are come to a stagnant stop, the trees blench and wither, the wagons role in the mica ruts with slithering harplike thuds. |
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In some, probably in most, contact-areas a good deal of white mica is newly-formed. |
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The Purbeck Ball Clay contains kaolinite and mica, showing that in the Lutetian stage of the Eocene water from a granite area, probably Dartmoor, flowed into the River Solent. |
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Another variety of mica in spangles of a yellowish gold, or whitish silver colour, is known all over the world, by the ridiculous names of cat's gold, or cat's silver. |
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These rocks are largely igneous in origin, mixed with metamorphosed marble, quartzite and mica schist and intruded by later basaltic dykes and granite magma. |
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Within a matrix of demotic Greek, words from Homer, from Sappho, from the Orthodox church service, and from Cretan peasants glint like flaked mica. |
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In addition, the clay minerals included common mica, occasional garnet group minerals, apatite, and rare titanite, ilmenite, zircon, rutile and iron oxides. |
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He began painting with oils on wood, canvas, hardboard, paper and glass, working under the mentorship of his older son Mica, an artist, art historian, critic, poet. |
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When Mr. Mica Crawler, the old mailman, came by the blacksmith shop John thought the old man had come to gossip for he was known to do that a lot. |
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Aoudjit H, Elsass F, Righi D, Robert D Mica weathering ill acidic soils by analytical electron microscopy. |
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Both Jon Snow and Barbara Windsor are patrons for the charity, and ambassadors include Keira Chaplin and Mica Paris. |
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The blue men of Mica II discriminated against Earthies, considered them inferior since the Micans had conquered the Earthies a hundred years ago. |
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Ioan Matres, General Manager of SC Industrie Mica Prahova SA stated. |
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In the valley, it may be about the Matanuska Glacier, which is about four miles upstream from the Nitro, a zipline experience offered by Mica Guides. |
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