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Hexahedrites are a
structural class of iron meteorite. They are
composed almost exclusively of the nickel–iron
alloy kamacite and are
lower in
nickel content...
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connected with the
relative abundance of
nickel to iron. The
categories are:
Hexahedrites (H): low nickel, no Widmanstätten pattern, may
present Neumann lines;...
- (octahedrite and
hexahedrite types). In the
octahedrites it is
found in
bands interleaving with
taenite forming Widmanstätten patterns. In
hexahedrites, fine parallel...
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divided into
objects with
similar internal structures (octahedrites,
hexahedrites, and ataxites), but
these terms are now used for
purely descriptive purposes...
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group of iron meteorites.
Their structural classification ranges from
hexahedrites to octahedrites.
IIABs have the
lowest concentration of
nickel of all...
- are fine
patterns of
parallel lines seen in cross-sections of many
hexahedrite iron
meteorites in the
kamacite phase,
although they may
appear also...
- (kamacite and taenite) and
silicate inclusions.
Structurally they can be
hexahedrites, fine to co**** octahedrites, or even ataxites. Most of them are octahedrite...
- fall.
Structural class – a
subdivision of iron
meteorites in ataxites,
hexahedrites and octahedrites.
Superbolide – is a
bolide that
reaches an apparent...
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represented by the fragments. Only
fragments found in Coa****la, that are
hexahedrites and fall into the IIAB
group should be
called Coa****la meteorite. The...
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phase boundary where kamacite is
exsolved from taenite.
Meteoric iron with less than
about 6%
nickel (
hexahedrite) is
completely changed to kamacite....
