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JudyCone shaped mountains that spew out lava or gas are called volcanoes. They form when molten rock (magma) from within the Earth's crust is forced to the surface through vents and erupts explosively or effusively. Volcanoes can be found in various locations around the world and are associated with tectonic plate boundaries.
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Coned-shaped mountains that spew out lava or gas?
Those are likely volcanoes, which are formed when magma from beneath the Earth's crust erupts onto the surface. The lava and gas that spew out are a result of the intense pressure building up within the volcano.
How do volcanic features on Venus and mars compared to volcanic features on earth?
Like Earth, Venus has volcanic mountains and other features that are probably made of thin, runny lava, on Venus the volcanos sometimes spew out sulfur into the atmosphere, although there is no proof Venus is volcanically active, scientists believe it most likely is. On Mars there are large shields of volcanoes similar to those on Venus and Earth,as well as cone-shaped volcanoes and lava flows, some of these volcaoes are significantly bigger than Earth's volcanoes, such as Olympus Mons, which is 3 times the size of Mount Everest, but none of these are volcanically active.
What are the three types of volcanos?
The three types of volcanoes are shield volcanoes, stratovolcanoes (composite volcanoes), and cinder cone volcanoes. Shield volcanoes have gentle sloping sides and are typically formed by lava flows. Stratovolcanoes are characterized by steep sides and explosive eruptions. Cinder cone volcanoes are small, steep-sided volcanoes formed by explosive eruptions that eject cinders and volcanic ash.
Does Mount St Helens spew pahoehoe pillow Aa or Blocky lava?
Mount St. Helens mainly produces blocky lava (andesitic) during its eruptions. However, the volcano has also had episodes where it spewed pahoehoe lava due to changes in eruptive style.
What are the different shapes of volcanoes?
The different shapes of volcanoes include shield volcanoes, which have gentle slopes and are formed by fluid lava flows; stratovolcanoes, which have steep-sided slopes and are formed by alternating layers of lava and ash; and cinder cone volcanoes, which have steep slopes and are formed by explosive eruptions of ash and rock fragments.
