-
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...
- plagioclase-pyroxenite and
norite that
gradually changed to
norite and
gabbronorite towards the Main Zone (see units) contact.
There are
xenoliths but these...
-
Chonolith of
andesite near
Shavano in Colorado, US Nebo-Babel
chonolith of
gabbronorite in the West
Musgrave area of
Western Australia.
Within the last 10 years...
-
sodic plagioclase (An70–85),
norites (plagioclase-orthopyroxene), and
gabbronorites (plagioclase-clinopyroxene-orthopyroxene) with
similar plagioclase compositions...
-
mantle portion of the ophiolite. The
deepest accessible layers are the
gabbronorite of
Round Valley. Regionally, the
ophiolite is
thought to be overlain...
- has clinopyroxene, olivine, and
plagioclase gabbronorite with ****ulus texture. The
hornblende gabbronorite is a dark grey to grey-green with a fine to...
-
composition and origin,
metasedimentary rocks,
granitoid intrusions, gabbro,
gabbronorite and anorthosite.
There are also
several anorthositic intrusions scattered...
- the
approximate extent of the
geological magma origin Darran Suite of
gabbronorite and
dioritic orthogneiss in red
shading which composes most of the mountains...
- at 49.10.00 N 089.36.00 W. The
complex includes gabbro, pyroxenite,
gabbronorite and
websterite intrusive into
granitic gneiss country rock. The ore minerals...
