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单词 ophitic
释义

ophitic

/əˈfɪtɪk /
adjective Geology
Relating to or denoting a poikilitic rock texture in which crystals of feldspar are interposed between plates of augite.It is a narrow fissure vein cutting an ophitic lava flow and is typical of many of the noncommercial mineralized veins in the general area of Keweenaw Point....
  • This is followed by ophitic or poikilitic crystallization of pyroxene and ilmenite about scarce nuclei, produced at lower temperatures.

Origin

Late 19th century: via Latin from Greek ophitēs 'serpentine stone' (from ophis 'snake') + -ic.

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更新时间:2024/11/12 3:50:06