- 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...
- hypersthene,
although this name has been
formally abandoned and
replaced by
orthopyroxene. When
determined petrographically or
chemically the
composition is given...
-
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...
-
pyroxene of
which it is composed.
Norite is
predominantly composed of
orthopyroxenes,
largely high-magnesian
enstatite or an iron-bearing hypersthene. The...
- (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...
- 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...
-
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...
