-
silicic magmas have a
silica content greater than 63%. They
include rhyolite and
dacite magmas. With such a high
silica content,
these magmas are extremely...
- is a
function from X to any
magma N, then
there is a
unique extension of f to a
morphism of
magmas f′ f′ : MX → N.
Magmas are not
often studied as such;...
- of
magmas, with
magmas as
objects and
morphisms given by
homomorphisms of
operations Magma (band), a
French experimental progressive rock band
Magma (Magma...
- In mathematics,
there exist magmas that are
commutative but not ****ociative. A
simple example of such a
magma may be
derived from the children's game...
- A
magma chamber is a
large pool of
liquid rock
beneath the
surface of the Earth. The
molten rock, or
magma, in such a
chamber is less
dense than the surrounding...
- calc-alkaline
magma series by the
redox state of the
magma they
crystallized from (tholeiitic
magmas are reduced; calc-alkaline
magmas are
oxidized )...
-
Magma is the self-titled
debut album by
French rock band
Magma.
Released as a double-LP in 1970, it is a
concept album which tells the
story of a group...
-
Hydrous magmas composed of
basalt and
andesite are
produced directly and
indirectly as
results of
dehydration during the
subduction process. Such
magmas, and...
- m****es
occur with granite.
Granite forms from silica-rich (felsic)
magmas.
Felsic magmas are
thought to form by
addition of heat or
water vapor to rock of...
- from the rare
peralkaline magmas,
which have
excess alkali oxides relative to
alumina (Na2O + K2O > Al2O3).: Ch6
Alkaline magmas tend to show high titanium...