aubrite


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aubrite

[′ō‚brīt]
(geology)
An enstatite achondrite (meteorite) consisting almost wholly of crystalline-granular enstatite (and clinoenstatite) poor in lime and practically free from ferrous oxide, with accessory oligoclase. Also known as bustite.
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References in periodicals archive ?
An iron-poor type known as aubrite is a better fit (see the box on page 31).
But a piece of Mercury should be much darker than an aubrite.
NWA 7325 is tantalizing, and certainly more consistent with the Messenger results than either angrites or aubrites," he explains, "but we need a [spacecraftreturned sample] for 'ground truth'.
We have not yet identified any other parent asteroids with as much certainty, but we know from their composition that the Aubrites and the Ureilite meteorites are rocks from the mantles of two different asteroids that had violently explosive eruptions, which ejected what should have become their crustal rocks into space at escape velocity.