- pot****ium-rich
alkali feldspar (near K-feldspar, KAlSi3O8, in composition)
includes exsolved lamellae or
irregular intergrowths of
sodic alkali feldspar (near albite...
-
other compounds that
reverse negative buoyancy, or with the
addition of
exsolved gas
bubbles in the
cryomagma that were
previously dissolved into it (that...
-
immiscibility processes in
igneous rocks. It is
called 'graphic'
because the
exsolved or
devitrified minerals form
lines and
shapes which are
reminiscent of...
- unmistakable.
Perthite is
either microcline or
orthoclase with thin
lamellae of
exsolved albite.
Amazon stone, or amazonite, is a
green variety of microcline. It...
- metamorphism, when
partial melting occurs in
metamorphic paleosome.
Components exsolved by
partial melting are
called neosome (meaning ‘new body’),
which may or...
- taenite. When
cooling off it p****es a
phase boundary where kamacite is
exsolved from taenite.
Meteoric iron with less than
about 6%
nickel (hexahedrite)...
-
forms when Na-rich
feldspar exsolve in a K-rich host. The
opposite texture (antiperthitic),
where K-rich
feldspar exsolves in a Na-rich host, is very rare...
- The Widmanstätten
pattern forms when
meteoric iron
cools and
kamacite is
exsolved from
taenite in the form of lamellas.
Plessite is a more fine-grained intergrowth...
- and CO2) that are
dissolved in the lava,
causing the
gases to
rapidly exsolve (like the
bubbles of CO2 that
appear when a
carbonated drink is opened)...
-
pressure of the oil and gas when oil
reaches its
bubble point and gas is
exsolved, the
natural expansion of gas on
ascent creates additional energy to lift...
