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What rocks are products of volcanic eruptions?

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The drama of a volcanic eruption transfers materials from inside the Earth to our planet's surface. Products of an eruption come in three forms lava flows, pyroclastic debris, and gas. Note that we use the name flow for both a molten, moving layer of lava and for the solid layer of rock that forms when the lava freezes. read more

Products from Volcanoes and Kinds of Volcanic Eruptions. The word volcano, from the Roman god of fire, has two meanings: 1) The opening in the ground out of which hot molten rock (lava or magma) and/or volcanic gas issues from the earth's interior onto the surface. read more

The drama of a volcanic eruption transfers materials from inside the Earth to our planet’s surface. Products of an eruption come in three forms lava flows, pyroclastic debris, and gas. Note that we use the name flow for both a molten, moving layer of lava and for the solid layer of rock that forms when the lava freezes. read more

Pyroclastic eruptions form when the volcano explodes sending out a dense cloud of super heated gas and ash that incinerates everything it its path and buries it under a blanket of hot ash. Mt. Vesuvius, Krakatoa, Santorini, Yellowstone, Mt. Pinatubo and Mt. Rainier are all pyroclastic volcanoes. read more

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