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An earthquake occurs when the tectonic plates of the geosphere move quickly. The tectonic plates are floating on a layer of molten rock called the asthenosphere.

how molten rock is formed?

The liquid rock, or molten rock found below the earth's surface is part of the geosphere.

What's molten rock?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what molten rock erupts from a volcano. Here are 15 of the best facts about Molten Rock Underground and Molten Rock Crossword Clue 5 Letters I managed to collect.

what molten rock becomes lava?

  1. Magma is molten rock inside the volcano and lava is when the molten rock comes out of the volcano.

  2. The mineral crystals show that it cooled slowly from molten rock material, occurring beneath the Earth's surface, and requiring a long period of time.

  3. Following the enormous rush of high-pressure gas from the vent of a volcano, the magma shreds and is blown out as a molten froth, it then solidifies as it flies through the air falling to the Earth as pumice.

  4. If molten rock solidifies before the gas escapes, the bubbles become small rounded or elongated cavities, which leads to scoria being produced.

  5. There is a restaurant on the island of Lanzarote in which the food is cooked using the heat from a volcano - a large grill is balanced on basalt rocks built around the opening to a well of molten lava

  6. Most basalt is formed by the divergent plate boundaries on the mid-ocean ridge system. Convection currents deliver hot rock from deep in the mantle, which melts as this boundary pulls apart, and the molten rock erupts onto the floor of the ocean.

  7. The igneous rock in the geosphere is formed when molten rock cools and crystalizes.

  8. Mount St. Helens has had "a baby volcano growing in its crater and between 2004 and 2008, enough molten rock oozed out of the crater to pave a seven-lane highway from New York City to Portland, Oregon

  9. The rock in the asthenosphere is low density and partially molten.

  10. When Mount Vesuvius erupted in 79 A.D. it lasted for over 24 hours, shooting 1.5 million tons of volcanic material into the atmosphere every second. This material included volcanic ash, molten rock and pumice.

molten rock facts
What molten rock inside a volcano called?

Why rocks are found in a molten state in the interior of the earth?

You can easily fact check why isn't earth's inner core molten rock by examining the linked well-known sources.

A planet named Theia had a direct collision with the Earth 4.5 billion years ago. The scattered debris eventually formed into the moon. This “Giant Impact Hypothesis” is sometimes called the “Big Splash” because the Earth and Theia were balls of molten rock.

You can't actually sink in lava. The density of molten rock is much higher than a humans is, therefore, you can't sink. - source

The asteroid that killed the dinosaurs blasted a cavity 30 miles deep, creating a boiling cauldron of molten rocks and super-heated steam. A plume of lava then splashed up into a peak higher than Mount Everest, then collapsed on itself minutes later, back and forth, creating rings of high peaks - source

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