- and
those that
crystallize in the
orthorhombic system are
known as
orthopyroxenes. The name
pyroxene is
derived from the
Ancient Gr****
words for 'fire'...
-
precipitation and
sinking of the
minerals olivine, clinopyroxene, and
orthopyroxene;
after about three-quarters of the
magma ocean had crystallized, lower-density...
-
andalusite Orthorhombic a ≠ b ≠ c α = β = γ = 90° Olivine, aragonite,
orthopyroxenes Hexagonal a = b ≠ c α = β = 90°, γ = 120° Quartz, calcite, tourmaline...
-
amounts of hornblende, olivine,
orthopyroxene and
accessory minerals. With
significant (>10%)
olivine or
orthopyroxene it is
classified as
olivine gabbro...
- is made of
compositionally unique gneisses and granitoids,
including orthopyroxene-bearing charnockites.
Analysis of
zircon minerals in the
granite completed...
- A. (2005). "Near-IR
spectral evidence for the
presence of iron-poor
orthopyroxenes on the
surfaces of six M-type asteroid". Icarus. 175 (1): 141. Bibcode:2005Icar...
-
because 1) they
contain higher amounts of Al than
typically seen in
orthopyroxenes; 2) they are cut by
numerous thin
lathes of plagioclase,
which may represent...
-
absorption feature near a
wavelength of 0.9 μm can be
attributed to
orthopyroxenes on the surface. A
meteorite analogue of the
reflectance spectra from...
- A. (2005). "Near-IR
spectral evidence for the
presence of iron-poor
orthopyroxenes on the
surfaces of six M-type asteroid". Icarus. 175 (1): 141. Bibcode:2005Icar...
-
Charnockite (/ˈtʃɑːrnəkaɪt/) is any
orthopyroxene-bearing quartz-feldspar rock
formed at high
temperature and pressure,
commonly found in
granulite facies’...
