howardite
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English
[edit]Etymology
[edit]From Howard + -ite, after Edward Howard, a pioneer of meteoritics.
Noun
[edit]howardite (plural howardites)
- (geology) An achondritic stony meteorite.
- 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%.