-
Norite is a
mafic intrusive igneous rock
composed largely of the calcium-rich
plagioclase labradorite, orthopyroxene, and olivine. The name
norite is derived...
- (>10%)
olivine or
orthopyroxene it is
classified as
olivine gabbro or
gabbronorite respectively.
Where present,
hornblende is
typically found as a rim around...
-
sodic plagioclase (An70–85),
norites (plagioclase-orthopyroxene), and
gabbronorites (plagioclase-clinopyroxene-orthopyroxene) with
similar plagioclase compositions...
- ****ulus magnetite. Main Zone : This is
composed of a
succession of
gabbronorites with
bands of
pyroxenite and anorthosite. The Main Zone is
roughly 1...
-
consisting of a
variety of plagioclase-rich rocks, such as norites,
gabbronorites and
olivine gabbros. The **** lies
within the
Zimbabwe Craton and has...
-
clinopyroxene with some orthopyroxene. The
Famrinto Gabbro has two
gabbronorites that are
slightly different in
mineralogy and texture. One rock type...
- the
approximate extent of the
geological magma origin Darran Suite of
gabbronorite and
dioritic orthogneiss in red
shading which composes most of the mountains...
-
composition and origin,
metasedimentary rocks,
granitoid intrusions, gabbro,
gabbronorite and anorthosite.
There are also
several anorthositic intrusions scattered...
-
mantle portion of the ophiolite. The
deepest accessible layers are the
gabbronorite of
Round Valley. Regionally, the
ophiolite is
thought to be overlain...
- six-sided
prism form of this
latter species is
opposed to this ****ociation.
Gabbronorite Gabbronite, mindat.org.
Carpentier 2011.
Phillips 2012, p. 83. Cleaveland...
