Last Updated：2026/01/01
Sentence
It
is
pointed
out
that
the
breccias
among
stony
meteorites
are
mainly
of
two
kinds
:
(a)
breccias
in
which
the
enclosed
fragments
are
of
the
same
material
as
the
surrounding
principal
mass
of
the
stone:
it
is
proposed
to
call
this
kind
of
breccias
“monomict
breccias,”
and
(b)
breccias
in
which
the
enclosed
fragments
are
of
a
foreign
material
as
compared
with
the
surrounding
principal
mass
of
the
stone:
it
is
proposed
to
call
these
breccias
“polymict
breccias.”
Quizzes for review
It is pointed out that the breccias among stony meteorites are mainly of two kinds : (a) breccias in which the enclosed fragments are of the same material as the surrounding principal mass of the stone: it is proposed to call this kind of breccias “monomict breccias,” and (b) breccias in which the enclosed fragments are of a foreign material as compared with the surrounding principal mass of the stone: it is proposed to call these breccias “polymict breccias.”
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