description Aubres Overview
Aubres is an aubrite meteorite that fell near Nyons in southeastern France in 1836. It gave its name to the aubrites, a class of enstatite-rich achondrites formed under unusually oxygen-poor conditions and distinguished by their pale, magnesium-rich silicate material. As the type specimen for the group, Aubres is a reference point for classifying meteorites associated with a highly reduced, differentiated parent body.
insights Ranking position
Aubres ranks #39 of 213 in the Meteorite ranking, behind Wabar, ahead of Gibeon.
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Why is the Aubres meteorite important?
Aubres is the type specimen that gave the aubrite meteorite group its name. Its pale, enstatite-rich material represents a rare class of differentiated, oxygen-poor planetary rock.
When and where did the Aubres meteorite fall?
It fell near Aubres, close to Nyons in southeastern France, in 1836. Because the fall was observed and material was recovered, its terrestrial origin and location are well documented.
What is an aubrite made of?
Aubrites consist mainly of magnesium-rich enstatite and contain very little iron in an oxidized state. Their mineral chemistry shows that they formed under exceptionally reducing, oxygen-poor conditions.
Did the Aubres meteorite come from the asteroid 3103 Eger?
The near-Earth asteroid 3103 Eger has been proposed as a possible source or relative of aubrites because of spectral similarities. That association is a scientific hypothesis, not a directly observed identification of Aubres' parent body.
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