-
Illite, also
called hydromica or hydromuscovite, is a
group of
closely related non-expanding clay minerals.
Illite is a
secondary mineral precipitate,...
- (especially in mid-to
early Paleozoic shales)
illites predominate. The
transformation of
smectite to
illite produces silica, sodium, calcium, magnesium...
-
presence of
smectite clay
minerals on the
planet Mars.
Illite group which includes the clay-micas.
Illite is the only
common mineral in this group. Chlorite...
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Illite crystallinity is a
technique used to
classify low-grade
metamorphic activity in
pelitic rocks.
Determining the "
illite crystallinity index" allows...
- when the
dominant clay
species is
illite (a non-swelling clay). However, in pure clay mineralogy, the term
illite is more
appropriate than "K-bentonite"...
-
amphibole minerals)
Auerlite (variety of thorite)
Avalite (chromian
variety of
illite)
Aventurine (variety of quartz)
Babefphite Babingtonite Baddeleyite Baileychlore...
-
varies with source. It
often occurs intermixed with chlorite, muscovite,
illite, cookeite, and kaolinite.
Montmorillonite can be
concentrated and transformed...
-
Weathering of the same kind of rock
under alkaline conditions produces illite.
Smectite forms by
weathering of
igneous rock
under alkaline conditions...
- and
aggregates of
white (colourless) micas,
typically made of muscovite,
illite, or paragonite.
Sericite is
produced by the
alteration of
orthoclase or...
-
kaolinite decreases,
while the
proportion of
other clay
minerals such as
illite (in
cooler climates) or
smectite (in
drier climates) increases. Such climatically...
