- are of CO2-rich
ultramafic pot****ic
igneous rocks dominated by
primary forsteritic olivine and
carbonate minerals, with a trace-mineral ****emblage of magnesian...
- mantle-derived
minerals predominating.
Minerals typical of
lamproites include:
forsteritic olivine; high iron leucite; titanium-rich aluminium-poor phlogopite;...
-
Upper Saddle River, NJ. Grandstaff, D., 1986, The
dissolution rate of
forsteritic olivine from
Hawaiian beach sand:
Rates of
chemical weathering of rocks...
- komatiites. The
pristine volcanic mineralogy of
komatiites is
composed of
forsteritic olivine (Fo90 and upwards),
calcic and
often chromian pyroxene, anorthite...
- and
cupalite are
accompanied by spinel, corundum, stishovite, augite,
forsteritic olivine,
diopsidic clinopyroxene and
several Al-Cu-Fe
metal alloy minerals...
- rocks,
where they form
spherical inclusions. The
olivines are
primarily forsteritic in composition.
Inclusions in the
kimberlite include skeletal apatite...
-
khatyrkite are
accompanied by spinel, corundum, stishovite, augite,
forsteritic olivine,
diopsidic clinopyroxene and
several Al-Cu-Fe
metal alloy minerals...
