- and
those that
crystallize in the
orthorhombic system are
known as
orthopyroxenes. The name
pyroxene is
derived from the
Ancient Gr****
words for 'fire'...
-
amounts of hornblende, olivine,
orthopyroxene and
accessory minerals. With
significant (>10%)
olivine or
orthopyroxene it is
classified as
olivine gabbro...
- quartz,
antiperthite (or perthite),
orthopyroxene (usually hypersthene) and magnetite, and is
equivalent to an
orthopyroxene bearing tonalite. It is
named for...
- hypersthene,
although this name has been
formally abandoned and
replaced by
orthopyroxene. When
determined petrographically or
chemically the
composition is given...
-
Charnockite (/ˈtʃɑːrnəkaɪt/) is any
orthopyroxene-bearing quartz-feldspar rock
formed at high
temperature and pressure,
commonly found in
granulite facies’...
-
chondritic appearance. The most
abundant minerals are
bronzite (an
orthopyroxene), and olivine.
Characteristic is the
fayalite (Fa)
content of the olivine...
-
contain large crystals of
orthopyroxene with
distinctive compositions.
These are the so-called high-alumina
orthopyroxene megacrysts (HAOM). HAOM are...
- co****-grained rock
consisting of 40 to 90%
olivine along with
significant orthopyroxene and
lesser amounts of
calcic chromium-rich clinopyroxene.
Minor minerals...
- pyroxene-hornblende
facies is
orthopyroxene. The
granulite facies is
characterized by the
following mineral ****emblages: In metabasites:
orthopyroxene + clinopyroxene...
-
precipitation and
sinking of the
minerals olivine, clinopyroxene, and
orthopyroxene;
after about three-quarters of the
magma ocean had crystallized, lower-density...
