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They are formed from the cooling and solidification of lava or magma at or near the surface of the Earth.

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12y ago

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Igneous rocks formed from lava on Earth's surface?

Extrusive igneous rocks.


Which is not a common extrusive igneous rock?

There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.


What are igneous rocks formed at the earths surface called?

Igneous rocks formed at the Earth's surface are called extrusive igneous rocks. They form when magma cools and solidifies quickly on the Earth's surface, resulting in fine-grained or glassy textures. Examples include basalt and rhyolite.


What are the igneous rocks that are formed by fast-cooling lava?

Extrusive


Is sandstone extrusive?

sedimentary rock are extrusive when the were formed outside land than in the dirt extrusive rocks take less time to form than intusive (formed under ground) becase wind and help it form faster. i hope this is very helpful =)


What kind of rock is formed after a volcano erupts?

Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.


What type of rocks were formed from lava that cooled and became solid?

Extrusive igneous rocks.


What is the Cause of extrusive igneous rocks?

They are rocks that formed from cooled lava on the earth's surface.


What type of rocks formed when lava cools after volcanic eruption?

Extrusive igneous rocks


Where is each type of igneous rock formed?

The Extrusive igneous rock is formed on the earths surface while the Intrusive igneous rock is formed within or inside the earths crust.


Igneous rocks are formed when magma does what?

The Igneous rock formed when magma cools are; 1. Extrusive (Volcanic) Igneous Rock; which are igneous rocks formed when magma cools outside the earths crust. The texture of of extrusive igneous rock is fine grained. 2. Intrusive (Plutonic) Igneous Rock; these are igneous rocks formed by gradual cooling of magma within the earths crust. The texture is coarse grained.


What are the 2 kinda of igneous rock?

Extrusive and Intrusive. Extrusive rocks are formed from hardened lava at the surface and Intrusive rocks are formed from magma within the Earth.