-
erupted comendite pumice.
Comendite derives its name from the area of Le
Commende on San
Pietro Island in Italy,
where the rock type is found.
Comendite also...
-
Peralkaline rhyolites (rhyolites
unusually rich in
alkali metals)
include comendite and pantellerite.
Peralkalinity has
significant effects on lava flow morphology...
-
surmounted by
rocks composed of trachyte, phonolite, pantellerite, or
comendite.
Their activity has been
attributed either to the
reactivation of crustal...
- the
total eruptive volume.
Felsic peralkaline rocks such as trachyte,
comendite and
pantellerite were also
produced by
volcanism of the MEVC and represent...
-
average volatile contents in the MI and
matrix gl****
combined with the
comendite magma volume (3-17 km3 DRE) the
volatile release was
between 5 and 30...
- Rhyolite – Igneous,
volcanic rock, of
felsic (silica-rich)
composition Comendite – Hard,
peralkaline igneous rock, a type of
light blue grey
rhyolite Pantellerite –...
-
peralkaline conditions.
Examples are the
peralkaline rhyolites,
comendite and pantellerite, with
comendite being the more
felsic (silica-rich) rock.
Another example...
- of
Early Tertiary age. The
upper part of the
butte consists of basalt,
comendite and
epiclastic deposits of the
Armadillo Formation,
another stratigraphic...
- hawaiites, but nephelinite,
basanite and
peralkaline phonolite,
trachyte and
comendite are
locally abundant.
These rocks were
deposited by
volcanic eruptions...
-
peralkaline rhyolite. It has a
higher iron and
lower aluminium composition than
comendite. It is
named after Pantelleria, a
volcanic island in the
Strait of Sicily...
