- 60–80%
chondrules, it
follows that most of the
meteoritic material that
falls on
earth (excluding dust) is made up of
chondrules.
Chondrules can range...
-
original dust,
chondrules, and
inclusions from
which they formed.
Prominent among the
components present in
chondrites are the
enigmatic chondrules, millimetre-sized...
- An
achondrite is a
stony meteorite that does not
contain chondrules. It
consists of
material similar to
terrestrial basalts or
plutonic rocks and has been...
-
discernible chondrules, an LL7 type has been
melted or
altered by
pressure or
other force to
almost completely obliterate the
round chondrules. Astrodigital...
-
olivine crystals occurring in a
black matrix, and a
possible lack of
chondrules. It is
thought they have not been
heated above 50 °C (122 °F), indicating...
- System,
chondrules appear to have been
crucial for
initiating accretion. The tiny m**** of
asteroids may be
partly due to
inefficient chondrule formation...
-
contained any
chondrules at all. Many CM
chondrules are
surrounded by
either rims of
accessory minerals, or
haloes of water-altered
chondrule material. The...
-
named for the small,
round particles they contain.
These particles, or
chondrules, are
composed mostly of
silicate minerals that
appear to have been melted...
- ; Krot, A.; Hutcheon, I.; Ulyanov, A. (2002). "Lead
isotopic ages of
chondrules and calcium-aluminum-rich inclusions". Science. 297 (5587): 1678–1683...
- They show
signs of metamorphism,
partial melting,
brecciation and
relic chondrules.
Their chemical and
mineralogical composition lies
between H and E chondrites...
