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What causes the difference between quiet and exploses eruptions?
It depends on how much silica is in the magma. If there is low-silica in the magma then the volcano will erupt quietly. If there is high-silica in the magma then the volcano will erupt explosively.
What is silica content of a cinder cone volcano?
The silica content of the lava from a cinder cone volcano is typically low to moderate. This type of volcano erupts basaltic to andesitic lava, which contains lower silica levels compared to other types of volcanoes like stratovolcanoes.
What shape of volcano is shield volcano?
A shield volcano is low and wide.
Does low silica mean shield volcano?
Yes, shield volcanoes are typically characterized by low silica magma, which has low viscosity and flows easily to create broad, gently sloping profiles. This type of volcano forms from repeated, non-explosive eruptions that result in layers of basaltic lava flows.
Is a wide gently sloping mountain made of hardened layers of low silica lava a cinder cone volcano?
Shield volcano
What is a wide gently sloping mountain made of hardened layers of low silica?
it is a shield volcano
Where is basalt born?
Basalt is formed when low-silica lava erupts from a volcano and later cools.
How does silica affect the shape of a volcano?
High silica content in magma can lead to explosive eruptions and the formation of steep-sided volcanoes, such as stratovolcanoes. This is because high silica magma is thicker and more viscous, which traps gases and builds up pressure before erupting violently. The high viscosity of silicic magma prevents it from easily flowing, resulting in the steep shape of the volcano.
What is a wide gently sloping mountain made of harden layers of low silica lava?
Shield volcano
What is wide gently sloping mountain made of hardened layers of low silica lava?
Shield volcano
What are the phases ofa volcano?
A volcano starts when a hole in the ground leeks magma. It lays out around the hole that started. It will take a while but eventually a big volcano will stand. It will be a composite volcano a shield volcano or a cinder cone volcano. The eruption wont always be explosive. It depends on the amount of silica in the lave. If it has alot of silica it will be explosive. If is low in silica it will ooz out. If you would like to know more go to www.newsdial.com Nature Natural Disasters .
Should you be worried about a volcano with a low water content and a low silica content?
Yes. While the most dangerous eruptions involve magma that is rich in silica and water, any volcanic eruption can be harmful.
