-
crust of a planetary-m**** object, such as Earth, that
allows hot lava,
volcanic ash, and
gases to
escape from a
magma chamber below the surface. The process...
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Volcanic ash
consists of
fragments of rock,
mineral crystals, and
volcanic gl****,
produced during volcanic eruptions and
measuring less than 2 mm (0.079 inches)...
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Several types of
volcanic eruptions—during
which material is
expelled from a
volcanic vent or fissure—have been
distinguished by volcanologists. These...
-
volcanic eruptions by
human death toll.
Lists of
disasters List of
volcanic eruption deaths List of
natural disasters by
death toll List of
volcanic eruptions...
-
wind-driven sand or ice
crystals Volcanic arc –
Chain of
volcanoes formed above a
subducting plate Volcanic cone –
Landform of
ejecta from a
volcanic...
- the
Transantarctic Mountains and to the
north by the
volcanic province of
Marie Byrd Land.
Volcanic activity in
Marie Byrd Land
commenced about 34 million...
-
Wind direction is
generally reported by the
direction from
which the
wind originates. For example, a
north or
northerly wind blows from the
north to the...
-
typically of
volcanic origin, are also
loosely called "stacks" or "
volcanic stacks".
Stacks typically form in
horizontally bedded sedimentary or
volcanic rocks...
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Plumes of
volcanic ash near
active volcanoes are a
flight safety hazard,
especially for
night flights.
Volcanic ash is hard and abrasive, and can quickly...
- of the
island in the
Aegean Sea.
Waves driven by
north winds shape the greyish-white
volcanic rock into
amazing shapes, and the area is
often compared...
