-
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...
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Darran Mountains Topo map(s) NZMS260 D40 Topo50 CA09
Geology Rock age 136 ± 1.9 Ma Rock type
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1920...
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Parent range Darran Mountains Topo map NZMS260 D40
Geology Rock age 136 ± 1.9 Ma Rock type
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1959...
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range Darran Mountains Topo map NZMS260 D40
Geology Rock age 136 ± 1.9 Ma Rock type
Gabbronorite,
dioritic orthogneiss Climbing First ascent February 1937...
-
Parent range Darran Mountains Topo map Topo50 CB09
Geology Rock age 136 ± 1.9 Ma Rock type
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1924...
-
Darran Mountains Topo map(s) NZMS260 D40 Topo50 CB09
Geology Rock age 136 ± 1.9 Ma Rock type
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1936...
- the
approximate extent of the
geological magma origin Darran Suite of
gabbronorite and
dioritic orthogneiss in red
shading which composes most of the mountains...
-
Darran Mountains Topo map(s) NZMS260 D41 Topo50 CB09
Geology Rock age 136 ± 1.9 Ma Rock type
Gabbronorite,
dioritic orthogneiss Climbing First ascent 1926...
