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Hornblende is a
complex inosilicate series of minerals. It is not a
recognized mineral in its own right, but the name is used as a
general or
field term...
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Hornblende gabbro is an
intrusive rock
similar to
normal gabbro (gabbro
sensu stricto). In the QAPF
classification it
falls within the
gabbro field, in...
- is
composed predominantly of sodium-rich
plagioclase plus
pyroxene or
hornblende.
Andesite is the
extrusive equivalent of
plutonic diorite. Characteristic...
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Schist (/ˈʃɪst/ SHIST) is a medium-grained
metamorphic rock
showing pronounced schistosity. This
means that the rock is
composed of
mineral grains easily...
- also
extends towards hornblende and arfvedsonite.
There is not a
continuous series between calcic clinoamphiboles, such as
hornblende, and low-calcium amphiboles...
- and
flows east to the
Southern Ocean.
Mount Steele,
Mount Ellery, the
Hornblende Bluffs, Heth
Ridge and
Mount Send are to the west. To the north, near...
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silicate minerals plagioclase feldspar (typically andesine), biotite,
hornblende, and
sometimes pyroxene. The
chemical composition of
diorite is intermediate...
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feldspar and
quartz with
scattered darker biotite mica and
amphibole (often
hornblende)
peppering the
lighter color minerals.
Occasionally some
individual crystals...
- (/æmˈfɪbəlaɪt/) is a
metamorphic rock that
contains amphibole,
especially hornblende and actinolite, as well as
plagioclase feldspar, but with
little or no...
- cir****stances. It has the
following mineral ****emblages: In metabasites:
hornblende +
plagioclase ± epidote, garnet, ****mingtonite, diopside,
biotite In metapelites:...
