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This would be an extrusive igneous rock, which will have a smooth appearance because the mineral crystals are too small to see. If the lava is basic you will probably get basalt, and if it's acidic it's likely to form rhyolite.

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What kind of rocks are formed when the magma cools beneath earth's surface?

Intrusive igneous rock.


What kind of rocks are formed when the magma cools on the earth's surface?

Extrusive igneous rocks such as basalt or rhyolite.


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.


What kind of rock is formed from magma that cools below the Earth's surface?

Igneous rock, such as granite or diorite, is formed from magma that cools below the Earth's surface. It has a coarse-grained texture due to the slow cooling process, allowing large mineral crystals to form.


What does extrusive rock means?

Extrusive igneous rock is one of two different types of igneous rocks. The other kind is intrusive igneous rock. Intrusive igneous rock is formed when magma in Earth's lithosphere cools and hardens. Extrusive igneous rock is formed when lava on Earth's surface cools and hardens.


What kind of crystals are formed when liquid rock cools slowly beneath the earth's surface?

When liquid rock cools slowly beneath the Earth's surface, intrusive igneous rocks are formed. These rocks have large crystals due to the slow cooling process, allowing sufficient time for mineral grains to grow. Examples include granite, diorite, and gabbro.


What kind of rock forms from magma that cools below the earth's surface?

Intrusive Igneous Rock.


What kind of rock forms when hot molten rock cools deep under the surface of the earth?

These are igneous rocks.


What kind of dimple is formed on the earths surface when a meteor or a asteroid has landed on earth?

crater


What kind of igneous rock forms when melted rock cools beneath the earth's surface?

Intrusive rock. The prefix in-helps to remember that it is made inside the earth.


What kind of volcano creates granite?

Granite is formed when molten rock, or magma, cools and solidifies beneath the Earth's surface. This type of volcano is known as a plutonic or intrusive volcano. These volcanoes do not erupt on the surface but instead form large bodies of igneous rock underground, where the magma slowly cools over time.


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

Igneous rock is formed.