单词 | euhedral |
释义 | BETA Examples ofeuhedralDictionary> Examples ofeuhedral euhedralisn’t in the Cambridge Dictionary yet. You can help! Add a definition Five fractions ofeuhedralzircon prisms were analysed. From theCambridge English Corpus In the massive tuffs, vitric to crysto-vitric varieties show delicately shaped glass shards and broken phenocrysts ofeuhedralquartz, plagioclase, muscovite, orthoclase, zircon and ilmenite. From theCambridge English Corpus Unbroken crystals areeuhedral; rounded, or more irregular, primary morphologies were not observed. From theCambridge English Corpus Euhedralconcentric zoning is common in most crystals. From theCambridge English Corpus Pore-fillingeuhedraland vermiform kaolin booklets are common and are sometimes intergrown with the outer margins of quartz overgrowths. From theCambridge English Corpus Crystals range in size up to 3 mm and display a range ofeuhedralto angular (broken) forms. From theCambridge English Corpus In the groundmass, magnetite usually occurs aseuhedralgrains a few to several tens of microns in diameter. From theCambridge English Corpus Three fractions of small,euhedralzircon prisms were analysed. From theCambridge English Corpus In regions of low strain, some feldspars retain theireuhedralcrystal form. From theCambridge English Corpus Cumulus phases areeuhedral, colourless olivine with chromite inclusions andeuhedralchromite with phlogopite and olivine inclusions. From theCambridge English Corpus Staurolites are up to 1 cm long,euhedral, poikiloblastic and contain up to 40 vol. % inclusions of quartz and minor ilmenite. From theCambridge English Corpus Porphyritic witheuhedralphenocrysts of clinopyroxene and plagioclase set in a groundmass of plagioclase microlites and devitrified glass. From theCambridge English Corpus This largeeuhedralcrystal presents a single concentric zonal structure and incipient alteration around the borders and along zonal boundaries. From theCambridge English Corpus The lower bed is cross-bedded and contains mucheuhedralpyrite, and the upper bed contains rhyolitic clasts. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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