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How does the type of lava that forms in a tetonic setting determine the type of eruption that takes place and the type of volcanic mountain that forms in that setting?
Wiki User
∙ 9y ago
If the type of lava is more of a chunky kind and slow-moving kind, then when it flows down the volcano and hardens, it gets bigger and bigger by layers of lava hardening and hardening. This is called a shield volcano. If when the lava comes down already hardened, it will only pile so high. Then the rocks just start tumbling off the sides. This is called a cone volcano. If there is a lot of ash, volcanic bombs, volcanic blocks, and lapilli, then it will be a pyroclastic flow. If it is silicon-rich, it will be felsic lava flow. If it is iron and magnesium-rich, it is a mafic lava flow
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoThe tectonic setting determines the source of the magma and therefore the chemistry of the melt. This in turn determines its viscosity and gas content. Viscosity and gas content determine the type of eruption and therefore the shape of volcano that is made.
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How does the type of lava that forms in a tectonic setting that determine the type of eruption that takes place and the type of volcanic mountain that forms in that setting?
If the type of lava is more of a chunky kind and slow-moving kind, then when it flows down the volcano and hardens, it gets bigger and bigger by layers of lava hardening and hardening. This is called a shield volcano. If when the lava comes down already hardened, it will only pile so high. Then the rocks just start tumbling off the sides. This is called a cone volcano. If there is a lot of ash, volcanic bombs, volcanic blocks, and lapilli, then it will be a pyroclastic flow. If it is silicon-rich, it will be felsic lava flow. If it is iron and magnesium-rich, it is a mafic lava flow
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