- been
attributed to
ongoing volcanic eruptions,
although there is no
confirmation of
whether or not
Venus is
still volcanically active. However,
radar sounding...
-
Several types of
volcanic eruptions—during
which material is
expelled from a
volcanic vent or fissure—have been
distinguished by volcanologists. These...
-
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 belt is a
large volcanically active region.
Other terms are used for
smaller areas of activity, such as
volcanic fields or
volcanic systems...
-
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)...
- The
Volcanic Repeating Arms
Company was an
American company formed in 1855 by
partners Horace Smith and
Daniel B.
Wesson to
develop Walter Hunt's Rocket...
-
volcanic tuffs, lava
streams and
volcanic craters, for
example the
Laacher See. The
Volcanic Eifel is
still volcanically active today. One sign of this...
-
slightly eccentric.
Unlike any of the
planets mentioned, Io is
continuously volcanically active. For example, the NASA
Voyager 1 and
Voyager 2
spacecraft detected...
- (300 mi) long and 20 to 40 km (12 to 25 mi) wide. The
region first became volcanically active around 3–4
million years ago,[citation needed]
though volcanism...
- The
volcanic explosivity index (VEI) is a
scale used to
measure the size of
explosive volcanic eruptions. It was
devised by
Christopher G.
Newhall of the...
