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Additional
clastic
English Wikipedia - The Free Encyclopedia
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Clastic rock
Clastic rocks
are composed of fragments, or
clasts
, of pre-existing
minerals
and rock. A
clast
is a fragment of
geological detritus
, chunks and smaller grains of rock broken off other rocks by
physical weathering
. Geologists use the term
clastic
with reference to
sedimentary rocks
as well as to particles in
sediment transport
whether in
suspension
or as
bed load
, and in
sediment
deposits.
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