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Extrusive
Meaning
Adj
●
Jutting out; extruding.
●
In Geology & Rocks:
Of
rocks
:
forced
, while in a
plastic
or
molten
state,
on to
the Earth's
surface
to
lie
atop
existing
rocks
.
Noun
●
In Geology & Rocks:
Rock which has been
formed
through
volcanic
extrusion.
Sourced from
Wiktionary
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