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achondrite |
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achondrite [eɪˈkɒndraɪt] n (Astronomy & Space / Celestial Objects) a rare stony meteorite that consists mainly of silicate minerals and has the texture of igneous rock but contains no chondrules Compare chondrite achondritic [ˌeɪkɒnˈdrɪtɪk] adj
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Known as basaltic achondrites, the group
accounts for only 6 percent of terrestrial meteorites. Spectra of this rock, the third largest
asteroid, have revealed that it is the only known parent of a class of
meteorites called basaltic achondrites. Basaltic achondrites lack the rounded particles, or chondrules, found
inside most stony meteorites. |
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