-
intrusive igneous rocks, and most
plutonic rocks are
classified by
where they fall in the QAPF diagram.
Dioritic and
gabbroic rocks are
further distinguished...
-
Paleoproterozoic ultramafic rocks. The term
Zoroaster Plutonic Complex is used for all
Paleoproterozoic granitic and
grandioritic plutonic rocks in the
Grand Canyon...
-
especially plutonic rocks. QAPF
diagrams are
mostly used to
classify plutonic rocks (phaneritic
rocks), and can be used to
classify volcanic rocks (aphanitic...
-
solidified molten magma. The
theory lead to
plutonic (intrinsic) rock classification,
which includes intrinsic igneous rocks such as gabbro, diorite,
granite and...
-
Igneous rocks can be
either intrusive (
plutonic and hypabyssal) or
extrusive (volcanic).
Intrusive igneous rocks make up the
majority of
igneous rocks and...
-
consists of
igneous rocks (
plutonic rocks overlain by
volcanic rocks) that were
gradually covered by
layers of
sedimentary rocks. The
igneous part of...
- intrusions,
which possess structure similar to
volcanic rather than
plutonic rocks, are also
considered to be volcanic,
shading into subvolcanic.[citation...
- a
plutonic rock with <5%
normative quartz Nepheline-bearing diorite – Form of
intrusive igneous rock
Nepheline syenite –
Holocrystalline plutonic rock...
-
usually alkali feldspar.
Granitic rocks are
classified according to the QAPF
diagram for co****
grained plutonic rocks and are
named according to the percentage...
- Bas, M. J.; Streckeisen, A. L. (1991). "The IUGS
systematics of
igneous rocks".
Journal of the
Geological Society. 148 (5): 825–833. Bibcode:1991JGSoc...
