| 词汇 | garnet |
| 释义 | garnet noun[ C ] uk /ˈɡɑː.nɪt/ us /ˈɡɑːr.nət/ a hard, dark red stone used in jewellery石榴石 Science Photo Library/GettyImages Geology: precious & semi-precious stones amber blood diamond carbuncle carnelian conflict diamond cornelian cultured pearl gem gemmy jet marcasite onyx opal pearl precious stone ruby semiprecious topaz turquoise unset garnet | American Dictionarygarnet noun[ C ] us/ˈɡɑr·nət/ a dark red stone used in jewelry: a garnet ring Examples of garnetgarnet These features suggest generation of the lamprophyre by partial melting of a metasomatized, garnet peridotite mantle source. The garnet neoblasts are also arranged in strings that define the foliation and lineation along with titanite. In weakly deformed gneiss, the mafic minerals (biotite, augite and hornblende) occur as irregular clusters, locally separated from plagioclase by coronas of garnet. Here, the igneous and corona textures are obliterated by the growth of amphibolite-facies assemblages with hornblende, plagioclase, biotite, garnet and zoisite. A method for calculating effective bulk composition modification due to crystal fractionation in garnet-bearing schist: implications for isopleth thermobarometry. The finegrained matrix is composed of plagioclase, quartz, garnet, biotite and hornblende and/or augite. The lower part of the metamorphic sole is composed of kyanite and garnet-bearing mica schist, mica schist, quartzite and marble. Melting is tentatively deduced to have commenced at + 100 km, straddling the garnet-spinel transition. All other phases use similar activity models except for white mica and garnet. 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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