-
Troctolite /ˈtrɒktəlaɪt/ (from Gr**** τρώκτης 'trout' and λίθος 'stone') is a
mafic intrusive rock type. It
consists essentially of
major but
variable amounts...
-
Troctolite 76535 is a
lunar sample discovered and
collected on the
Apollo 17
mission in 1972 in the Taurus–Littrow valley. It has a m**** of
about 156 grams...
- ****berlandite is a
specific type of
plutonic rock
called a
melanocratic troctolite, or melatroctolite. It is the
state rock of
Rhode Island and can be found...
-
mafic magma interaction with more
evolved magma or rock (e.g. gabbro,
troctolite). Spinel, (Mg,Fe)(Al,Cr)2O4, is
common in
peridotite in the uppermost...
- orthopyroxene, with less than 5% each of hornblende, clinopyroxene, or olivine.
Troctolite is
composed almost entirely of
plagioclase and olivine, with less than...
- silica-undersaturated
volcanic rock;
essentially a feldspathoid-bearing
rhyolite Troctolite –
Igneous rock – A
plutonic ultramafic rock
containing olivine, pyroxene...
- the dunites,
peridotites and pyroxenites.
Other rare
varieties include troctolite which has a
greater percentage of
calcic plagioclase.
These grade into...
-
pillow lavas and a **** complex, and the
lower oceanic crust,
composed of
troctolite,
gabbro and
ultramafic ****ulates. The
crust overlies the
rigid uppermost...
- Jersey,
United States Gneiss boulder balanced on
three smaller boulders.
Troctolite 76535
Lunar Sample Laboratory Facility, Houston, Texas,
United States...
- at
geology station 6 near the base of the
North M****if; the sample, a
troctolite, was
later identified as the
oldest known "unshocked"
lunar rock, meaning...
