单词 | aphanitic |
释义 | BETA Examples ofaphaniticDictionary> Examples ofaphanitic aphaniticisn’t in the Cambridge Dictionary yet. You can help! Add a definition The upper parts of the ash beds generally areaphaniticand structureless, though locally they are interbedded with thin clay layers and exhibit ripple cross-stratification and planar lamination. From theCambridge English Corpus The texture is often found in extrusiveaphanitic, or glassy, igneous rock. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The hill is composed ofaphaniticalkaline olivine basalt, with phenocrysts of olivine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Examples ofaphaniticigneous rock include basalt, andesite and rhyolite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are six main types of textures; phaneritic,aphanitic, porphyritic, glassy, pyroclastic and pegmatitic. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Generally speaking, phaneritic implies an intrusive origin;aphanitican extrusive one. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has anaphaniticto porphyritic texture and is intermediate in composition between andesite and rhyolite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The individual crystals in anaphaniticigneous rock are not distinguisable to the naked eye. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Often, where the groundmass isaphanitic, chemical classification must be used to properly identify a volcanic rock. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Andesite is an extrusive igneous, volcanic rock, of intermediate composition, withaphaniticto porphyritic texture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In thin section, dacites may have anaphaniticto porphyritic texture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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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