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Anorthosite
Anorthosite
is a
phaneritic
,
intrusive
igneous
rock characterized by a predominance of
plagioclase
feldspar
(90–100%), and a minimal
mafic
component (0–10%).
Pyroxene
,
ilmenite
,
magnetite
, and
olivine
are the mafic
minerals
most commonly present.
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