- and
those that
crystallize in the
orthorhombic system are
known as
orthopyroxenes. The name
pyroxene is
derived from the
Ancient Gr****
words for 'fire'...
-
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...
-
indicate the
presence of
variable amounts of low-iron, low-calcium
orthopyroxenes on the surface.
Trace amounts of
water is
detected with a m**** fraction...
- (January 1983), "Near-IR
spectral evidence for the
presence of iron-poor
orthopyroxenes on the
surfaces of six M-type asteroids", Icarus, vol. 175, no. 1, pp...
-
Charnockite (/ˈtʃɑːrnəkaɪt/) is any
orthopyroxene-bearing quartz-feldspar rock
formed at high
temperature and pressure,
commonly found in
granulite facies’...
-
precipitation and
sinking of the
minerals olivine, clinopyroxene, and
orthopyroxene;
after about three-quarters of the
magma ocean had crystallized, lower-density...
- is made of
compositionally unique gneisses and granitoids,
including orthopyroxene-bearing charnockites.
Analysis of
zircon minerals in the
granite completed...
-
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...
-
pyroxene of
which it is composed.
Norite is
predominantly composed of
orthopyroxenes,
largely high-magnesian
enstatite or an iron-bearing hypersthene. The...
