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Extrusive igneous rock is formed from rapidly cooling lava.

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14y ago
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11y ago

Your question asks about the physical than chemical nature. Irrespective of rock type, rapid cooling would produce very fine crystals, and, if the lava is highly gaseous, a lot of vesicles.

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13y ago

Extrusive igneous rock.

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12y ago

Extrusive igneous rock.

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Q: What kind of rock is formed when lava cools fast?
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Related questions

What kind of rock is formed when magma or lava cools and hardens?

Igneous rock is formed.


What rock is formed when lava cools down?

igneous rock is formed when lava cools down


What is a lightly formed extrusive rock formed when lava cools so fast it traps pockets of air inside?

pumice


What does igneous rock made of?

Igneous rocks are formed when lava cools. After a eruption, the lava cools, and the igneous rock is formed.


What happened to lava when it cools?

Extrusive igneous rock is formed from the crystallization of minerals as the lava cools.


What is a type of rock formed when lava or magma cools?

the type of rock formed when lava or magma cools is igneous rock..


When lava flows and cools on Earth's surface it forms what kind of rock?

Igneous rock is formed through the cooling and solidificatio of magma or lava.


A light frothly extrusive rock formed when lava cools so fast that it traps pockets or air inside?

Pumice


When or igneous rocks formed?

When lava cools and solidifies.


What is a light frothy extrusive rock formed when lava cools so fast that it traps pocket or air inside?

Pumice rock.


What rock is formed when lava cools at the service of the earth?

Extrusive igneous rock such as basalt forms when lava cools at the earth's surface.


What does lava make when it cools fast?

metamorphic rocks