-
Metaluminous rocks are
igneous rocks that have a
molar proportion of
aluminium oxide lower than the
combination of
calcium oxide,
sodium oxide and pot****ium...
- + CaO > Al2O3 > K2O + Na2O. Such
granites are
described as
normal or
metaluminous.
Granites in
which there is not
enough aluminum to
combine with all the...
-
stretches ****her
south than the
early metaluminous suite and ends ****her
north than the
early metaluminous suite. The
Atlanta lobe
lacks uniform deformation...
- oxide. This
contrasts with
peralkaline in
which the
alkalis are higher,
metaluminous where aluminium oxide concentration is
lower than the combination, but...
-
proportion of
plagioclase relative to
mafic minerals.
Agpaitic rock
Metaluminous rock
Peraluminous rock Philpotts,
Anthony R.; Ague, Jay J. (2009). Principles...
- by
Yearron et al. (2003): "The TTGs are
typically low- to medium-K,
metaluminous I-type granites,
Their chondrite-normalised REE
patterns show two trends...
- I-type
granites that were
relatively low in
aluminium (subaluminous to
metaluminous granites).
These granites originated from
depleted crust or
mantle rock...
-
Small amount of
sample zircon contains high Al
contents suggests that
metaluminous crustal rocks is more
common than
peraluminous rocks in the Hadean. However...
-
along a
fracture formed during caldera collapse, and a
younger resurgent metaluminous and
peraluminous granite core. "The
Salma Caldera complex, northeastern...
-
Brandberg Complex, Namibia:
Evidence for a
Major Mantle Contribution in
Metaluminous and
Peralkaline Granites".
Journal of Petrology. 41 (8): 1207–1239. Bibcode:2000JPet...
