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Accretionary wedge
Meaning
Noun
●
In Geology:
The
accumulation
of
surface
sediment
formed
between a
subducting
oceanic
crustal
plate
and a
continental
tectonic plate
,
as it is
scraped
from off
the
top
of the
oceanic
crustal
plate
.
Sourced from
Wiktionary
Synonyms
Accretionary Prism
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