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单词 eucrite
释义

eucrite

English

Etymology

From Ancient Greek ἐυκρινής (eukrinḗs, well-distinguished) and the English suffix + -ite.

Noun

eucrite (plural eucrites)

A eucrite
  1. (geology) An achondritic meteoritic rock consisting chiefly of pigeonite and anorthite
    • 1983, Jeremy S. Delaney et al., “The Nomenclature of Polymict Basaltic Achondrites”, in Meteoritics & Planetary Science, volume 18, number 2, DOI:10.1111/j.1945-5100.1983.tb00581.x:
      The recommended criterion is based on the amount of magnesian ortho‐pyroxenite (diogenite) component in the meteorite. Howardites contain more than 10% and polymict eucrites contain less than 10%.

Coordinate terms

  • diogenite
  • howardite

Derived terms

  • eucritic
  • HED

See also

  • eucrite on Wikipedia.Wikipedia
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