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The largest volcanic eruption of 1991 was that of Mt. Pinatubo in the Phillipines.

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14y ago

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What is a semi molten rock ejected as glowing lava?

Magma!


What is the complete predicate in volcanoes are places on the earths surface where molten rock gases and ash from deep inside the earth are ejected?

"are places on the earth's surface where molten rock, gases, and ash from deep inside the earth are ejected."


Are magma and rock both pyroclastic?

No. Magma is not pyroclastic, and most rock isn't either. Pyroclastic material is ash and rock fragments ejected during explosive volcanic eruptions. Magma is molten rock beneath the earth's surface.


Exactly WHICH billion years of the Earth's five billion years of geological history is missing?

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Is Igneous rock made up of lava magma and heat?

No. First of all, heat is not a substance. Something cannot be made of heat. Igneous rock forms from lava, magma, or tephra that has colled. Magma is molten rock in the earth's interior. Lava is molten rock that has been erupted onto the surface by a volcano. Tephra is material that has been ejected into the air by a volcano.


What rock is formed by molten material?

a molten rock


What is the difference between molten and igneous rock?

Molten rock is still a liquid. Igneous rock is what is formed when molten rock solidifies.


What rock type forms from molten rock?

Igneous Rock comes from molten rock.


Why can volcano make island?

The ash, rock and molten lava that's ejected during an eruption - falls back to earth and 'piles up' around the volcano, forming an island..


Where did molten rock come from?

Molten rock are come from volcanic in the past, or the lava chambers. Another call of molten rock are igneous rock.


How old is enchanted rock?

Enchanted Rock is estimated to be around one billion years old. It formed underground as a large blob of molten magma that solidified and was later exposed through erosion.


What is the difference between lava and molten rock?

Lava refers specifically to molten rock that flows on the surface of the Earth during a volcanic eruption. Molten rock, on the other hand, is the hot, liquid rock below the Earth's surface that has not yet erupted. Essentially, all lava is molten rock, but not all molten rock is lava.