- Volcanism, vulcanism,
volcanicity, or
volcanic activity is the
phenomenon where solids, liquids, gases, and
their mixtures erupt to the
surface of a solid-surface...
-
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...
- rift-related
volcanicity (e.g. the
peralkaline rhyolites of the East
African Rift in
central Kenya) as well as
continental and
oceanic hotspot volcanicity (e.g...
-
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)...
-
media related to
Volcanic cones. Poldervaart, A (1971). "
Volcanicity and
forms of
extrusive bodies". In Green, J; Short, NM (eds.).
Volcanic Landforms and...
-
geographical boundary, with no
volcanicity immediately beyond it. The
Volcanic Eifel is
divided into
three natural regions:
Volcanic West
Eifel (Manderscheid...
-
Volcanic rocks (often
shortened to
volcanics in
scientific contexts) are
rocks formed from lava
erupted from a volcano. Like all rock types, the concept...
- A
volcanic plug, also
called a
volcanic neck or lava neck, is a
volcanic object created when
magma hardens within a vent on an
active volcano. When present...
-
Volcanic plume or
volcanic plume may
refer to:
Eruption plume, a
column of hot
volcanic ash and gas
emitted into the
atmosphere during an
explosive volcanic...
-
Several types of
volcanic eruptions—during
which material is
expelled from a
volcanic vent or fissure—have been
distinguished by volcanologists. These...
