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Volcanoes primarily composed of granitic lava are typically classified as stratovolcanoes or composite volcanoes. These volcanoes are characterized by their steep profiles and explosive eruptions due to the high viscosity of granitic lava, which is rich in silica. Examples include Mount St. Helens in the United States and Mount Fuji in Japan. The granitic composition leads to the formation of thick, dome-like structures and can result in significant pyroclastic flows during eruptions.
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What are 3 types of volcanic mountains and explain?
Shield volcanoes are made from runny lava and steep sides. Cinder cone volcanoes are made from lava layers that alternate with layers of cinder. composite volcanoes shoot lav into the air.
What are types of valcano?
The main types of volcanoes are shield volcanoes, stratovolcanoes (composite volcanoes), cinder cone volcanoes, and lava domes. Shield volcanoes have gentle slopes and are formed by fluid lava flows. Stratovolcanoes are tall, steep-sided cones composed of layers of lava and ash. Cinder cone volcanoes are small, steep-sided cones made of pyroclastic material. Lava domes are mounds of thick, slow-flowing lava piling up near a volcano's vent.
What kind of lava is flowing from volcanoes in Hawaii?
regular lava, du(probably low silica actually)
Why are composite volcanoes steeply sloped?
It depends on viscosity of the lava. the runnier the lava, the farther it flows before solidifying, so it cannot pile up as fast.
What type of material makes up volcanoes with broad sloping sides?
Basalt lava forms shield volcanoes which are known for their broadly sloped flanks. This is because there is a low amount of Silica in the volcanic material allowing the magma to flow very freely giving the broad flanks as lava flows out.
What are shield volcanos made of?
Shield volcanoes are composed mostly of layers of basaltic lava flows.
Is composite volcano made of entirely running lava?
Shield Volcanoes are made out of running lava. Not composite.
What are steep-sided volcanoes made from?
ash and lava
Where can igneous rocks be commonly found?
Igneous rocks can commonly be found near volcanoes. They are made when lava is cooled and becomes a solid. The oceanic plates are mostly made of igneous rock.
Can rocks be made from the inside of volcanoes?
yes. They are made form harden lava
What are 3 types of volcanic mountains and explain?
Shield volcanoes are made from runny lava and steep sides. Cinder cone volcanoes are made from lava layers that alternate with layers of cinder. composite volcanoes shoot lav into the air.
What is a volcano made of alternating layers of lava and tephra?
composite volcanoes
Volcano made of alternating layers of lava and tephra is what?
composite volcanoes
Do shield volcanoes have a steep sloping cone made up of rocks and lava?
No. Shield volcanoes have gentle slopes composed almost entirely of cooled lava flows.
What is the atmosphere of Venus' surface?
venus atmosphere is cloudy,and its are made of volcanoes and lava
What land forms beside volcanoes are made by lava and ash?
the crust of the volcano
What are types of valcano?
The main types of volcanoes are shield volcanoes, stratovolcanoes (composite volcanoes), cinder cone volcanoes, and lava domes. Shield volcanoes have gentle slopes and are formed by fluid lava flows. Stratovolcanoes are tall, steep-sided cones composed of layers of lava and ash. Cinder cone volcanoes are small, steep-sided cones made of pyroclastic material. Lava domes are mounds of thick, slow-flowing lava piling up near a volcano's vent.
