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Igneous rocks are formed when molten hot rock flows to the surface of the Earth and rapidly cools down. The crystals that form are rich in silicon and oxygen.

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What forms when melted rock flows to the surface and cools quickly?

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What forms when melted granite flows onto the earths surface and quickly hardens?

When melted granite flows onto the Earth's surface and quickly hardens, it forms an igneous rock known as rhyolite. Rhyolite is fine-grained and often exhibits flow banding due to its rapid cooling process.


What is the term for melted rock under Earth's surface?

'Magma' is melted rock occurring under the Earth's surface. When it comes up and flows out on the Earth's surface it is called 'lava'.


What does pahoehoe make?

Pahoehoe is a type of lava that has a smooth, rope-like texture when it cools. It forms when low-viscosity basaltic lava flows steadily and cools quickly, creating rippled patterns on the surface.


What cools quickly on the earth's surface?

Water bodies like lakes or rivers tend to cool quickly due to their high specific heat capacity. On land, materials like metals, rocks, or concrete can cool quickly as they conduct heat away rapidly. Clear nights with minimal cloud cover can also lead to rapid cooling of the Earth's surface.


What happens when molten lava flows on the surface of earth?

It cools and forms new land.


What is the hotmelted rock that cools the Earths surface?

The hot melted rock that cools on the Earth's surface is known as lava. When magma from beneath the Earth's crust erupts through volcanoes or fissures, it flows as lava and eventually solidifies to form igneous rocks. As the lava cools, it contributes to the formation of new landforms and can alter the landscape significantly. Once cooled, it becomes part of the Earth's lithosphere, contributing to its geological diversity.


Does Rhyolite cool quickly or slowly?

Rhyolite is an igneous rock that has formed from rapidly cooling lava or ash.


How does lava turn into basalt?

Basalt is a type of volcanic erock. It forms when lava that is low in silica and rich in iron and magnesium cools and hardens at or above Earth's surface, most often in the form of lava flows.


What is the melted rock which flows out of the earths surface is called?

Melted rock that flows out of the Earth's surface is called lava. Lava is molten rock that erupts from a volcano or fissure and is typically hot enough to flow downhill before cooling and solidifying.


WHERE DOES LAVA COOLS QUICKLY?

Lava cools quickly when it comes into contact with water, such as in the ocean or a river, where it can solidify rapidly due to the contrast in temperature. Additionally, lava can cool quickly when it flows over ice or snow-covered terrain, causing it to solidify and form unique lava formations.


What is molten rock above ground?

Molten rock above ground is called lava. It is molten rock that flows out of a volcano during an eruption and cools to form solid rock. Lava can vary in temperature, viscosity, and composition depending on the type of volcano.