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Amphibolite (/æmˈfɪbəlaɪt/) is a
metamorphic rock that
contains amphibole,
especially hornblende and actinolite, as well as
plagioclase feldspar, but...
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characteristic of
areas of
regional metamorphism that
reaches the
middle amphibolite to
granulite metamorphic facies. In
other words, the rock was metamorphosed...
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Amphibolite Point (60°41′S 45°21′W / 60.683°S 45.350°W / -60.683; -45.350) is a con****uous,
pyramidal point 1.5
nautical miles (3 km)
northwest of...
- protolith, so that (for example) the
amphibolite facies of a
marble will not be
identical with the
amphibolite facies of a pelite. However, the facies...
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Southern Region. The
group consists of
metasediments with
intercalated amphibolites,
interpreted to be
metavolcanics with some
basic sills. They were probably...
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Metamorphic rocks composed dominantly of
amphiboles are
referred to as
amphibolites. Blatt,
Harvey and
Robert J.
Tracy (1996) Petrology, Freeman, p. 72,...
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composed almost entirely of labradorite. It also is
found in
metamorphic amphibolites and as a
detrital component of some sediments.
Common mineral ****ociates...
- the
corresponding pyroxenes.
Amphiboles are the
primary constituent of
amphibolites. Like pyroxenes,
amphiboles are
classified as
inosilicate (chain silicate)...
- is
commonly found in
metamorphosed magnesium-rich
rocks and
occurs in
amphibolites.
Usually it
coexists with
hornblende or actinolite,
magnesium clinochlore...
- of this country, they are
mingled with granites, gneisses, gabbros,
amphibolites, mica
schists and many
other petrographical types. All of
these rocks...
