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Is the lava from volcanos coming from core of the earth?

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Well, volcanoes. And the lava in volcanoes comes from deep in the earth where everything is molten, right? Wrong! It's true that as you go deeper into the earth, things heat up, but the earth isn't a crispy rock shell around a gooey molten center. read more

From the core to the crust and different layers of the earth there are thin tube like opening or loop holes that finally connect to the volcano. Whenever there is a pressure difference the volcano errupts. read more

The core of the earth is actually not lava in the sense we usually encounter it. Earth's core consists of two layers of iron and nickel. The inner core is solid iron and nickel, while the outer core is liquid iron and nickel. The mantle is liquid lava, and is heated by both the core and friction from convection currents. read more

Virtually all lava erupted at volcanoes is derived from partial melting of either the crust or the upper portions of the mantle. read more

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