-
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...
- 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...
- plagioclase-pyroxenite and
norite that
gradually changed to
norite and
gabbronorite toward the Main Zone (see units) contact.
There are
xenoliths but these...
-
sodic plagioclase (An70–85),
norites (plagioclase-orthopyroxene), and
gabbronorites (plagioclase-clinopyroxene-orthopyroxene) with
similar plagioclase compositions...
-
Parent range Darran Mountains Topo map Topo50 CB09
Geology Rock age 136 ± 1.9 Ma Rock type(s)
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1924...
- six-sided
prism form of this
latter species is
opposed to this ****ociation.
Gabbronorite Gabbronite, mindat.org.
Carpentier 2011.
Phillips 2012, p. 83. Cleaveland...
-
Mountains Topo map(s) NZMS260 D41 Topo50 CB09
Geology Rock age 136 ± 1.9 Ma Rock type(s)
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1926...
-
Parent range Darran Mountains Topo map NZMS260 D40
Geology Rock age 136 ± 1.9 Ma Rock type(s)
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1959...
-
Mountains Topo map(s) NZMS260 D40 Topo50 CA09
Geology Rock age 136 ± 1.9 Ma Rock type(s)
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1920...