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Igneous petrology
Igneous petrology
is the study of
igneous rocks
— those that are formed from
magma
. As a branch of
geology
, igneous petrology is closely related to
volcanology
,
tectonophysics
, and
petrology
in general. The modern study of igneous rocks utilizes a number of techniques, some of them developed in the fields of
chemistry
,
physics
, or other
earth sciences
.
Petrography
,
crystallography
, and
isotopic
studies are common methods used in igneous petrology.
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