IIE iron meteorite
| IIE | |
|---|---|
| — Group — | |
 The Weekeroo Station meteorite, an IIE iron meteorite | |
| Type | Iron |
| Structural classification | Octahedrite |
| Class | Nonmagmatic |
| Parent body | Probably 6 Hebe |
| Total known specimens | 21 as of 2009[update] |
The iron meteorites of the IIE chemical type are octahedrites of various coarseness, most of which contain numerous inclusions of recrystallized stony silicates.
Composition and origin[edit]
They have mineral compositions and oxygen isotope ratios very similar to the H chondrites, which makes it probable that they originate from the same parent body. The best candidate for this parent body is the S-type asteroid 6 Hebe.[1] Unlike most iron meteorites, the type IIE are thought to have been melted out of the chondritic surface of the parent asteroid by impacts during its early history.
Rarity[edit]
It is a rare type with 24 known members as of 2020.[2]
See also[edit]
References[edit]
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