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eucrite
From Wiktionary, the free dictionary
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English
Etymology
From Ancient Greek ἐυκρινής (eukrinḗs, “well-distinguished”) and the English suffix + -ite.
Noun
eucrite (plural eucrites)
- (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, :
- 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%.
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