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Pantellerite is a type of
volcanic rock,
specifically a
peralkaline rhyolite. It has a
higher iron and
lower aluminium composition than comendite. It is...
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volcanoes are all
surmounted by
rocks composed of trachyte, phonolite,
pantellerite, or comendite.
Their activity has been
attributed either to the reactivation...
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rhyolites (rhyolites
unusually rich in
alkali metals)
include comendite and
pantellerite.
Peralkalinity has
significant effects on lava flow
morphology and mineralogy...
- Comendite – Hard,
peralkaline igneous rock, a type of
light blue grey
rhyolite Pantellerite –
Peralkaline rhyolite type of
volcanic rock Scoria – Dark vesicular...
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eruptive volume.
Felsic peralkaline rocks such as trachyte,
comendite and
pantellerite were also
produced by
volcanism of the MEVC and
represent about 40% of...
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rocks found at
Mount Moulton include pantellerite,
phonolite and trachyte;
phenocryst phases found in the
pantellerite include aenigmatite, anorthoclase...
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Pantelleria is
about 230,000 tonnes. The
island is the type
locality for
pantellerite, a
peralkaline rhyolite.
Pantelleria has a
subtropical Mediterranean...
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peralkaline conditions.
Examples are the
peralkaline rhyolites,
comendite and
pantellerite, with
comendite being the more
felsic (silica-rich) rock.
Another example...
- to
intermediate in
composition (e.g., rhyolitic, dacitic, andesite,
pantellerite, phonolite, trachyte), but
basaltic and
other compositions are known...
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volcanic rocks of the
Spectrum Formation which consists of comendite,
pantellerite and
pantelleritic trachyte.
These rocks are in the form of lava flows...
