Magma • Volcanic eruption • Volcano

By madhupriya November 22,2022 Metalnation.org Image Credit:-Google

Magma forms from mantle rocks. As rocks rise (or get wet), they melt.

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Some rocks melt deep within the Earth and produce magma.

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When magma builds up in the magma chamber, it erupts, causing volcanoes.

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Hawai'ian, Strombolian, Vulcanian, and Plinian eruptions increase in explosiveness.

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The Three Classic Types of Volcanoe 1. Cinder Cone Volcanoes. 2. Composite Volcanoes (Stratovolcanoes) 3. Shield Volcanoes.

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Molten rock that is underground is called magma, while molten rock that breaks through the Earth's surface is called lava.

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An oceanic plate sinks into the mantle when it collides with a continental plate. The oceanic plate sinks, squeezing fluid out (shown in purple).

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In subducting tectonic plates, hot rock from below can intrude into cooler plates above.

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