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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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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...
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intermediate in
composition (e.g., rhyolitic, dacitic, andesite,
pantellerite, phonolite, trachyte), but
basaltic and
other compositions are known...
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eruption occurred during the
Early Pleistocene, with the
formation of
pantellerite tuff. The
eruption covered about 200
square kilometres (77 sq mi) with...
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Quartz diorite Quartz monzonite Quartzolite Rhyodacite Rhyolite Comendite Pantellerite Scoria Shonkinite Sovite Syenite Tachylyte Tephriphonolite Tephrite Tonalite...