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How and where are igneous rocks formed?
Igneous rocks are formed when molten magma cools and solidifies either beneath the Earth's surface (intrusive) or on the surface (extrusive). Intrusive igneous rocks are formed from magma that cools slowly underground, while extrusive igneous rocks are formed from lava that cools quickly on the surface.
When melted rock cools or hardens on it under earths surface it forms rock?
Igneous rock. Extrusive igneous rock forms at or near the surface, intrusive igneous rock forms below the surface.
What type of igneous rock hardens under the surface?
The type of igneous rock that hardens under the earths surface is called the Intrusive Igneous Rock. Intrusive Igneous Rocks are of two main types, Hypabasal and Plutonic. The plutonic forms at deeper depths.
Are Extrusive Igneous Rocks Formed On The Earth's Surface?
Yes. Or in the air, or under water, or very near the surface.
What rock type is formed from the slow cooling of magma under the earths surface?
Magma cooling beneath the surface creates intrusive igneous rocks.
Why are igneous rock formed?
They can be formed underground or above ground. Underground, they are formed when melted rock, called magma, deep under the earth's surface is trapped in small pockets. As these pockets of magma cool slowly underground, the magma develops into igneous rocks. Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's crust. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground.
What is rock that is formed when magma cools under earths surface?
Intrusive igeneus such as basalt
Fuel formed under the earths surface by the decomposition of organic matter is called?
a boat
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 =)
When melted rock cools or hardens on or under earths surface it forms what kind of rock?
It forms an igneous rock. If it is within the Earth, then it is an intrusive igneous rock (e.g. granite) and if it is erupted onto Earth's surface then it is an extrusive igneous rock (e.g. basalt).
How was baja California formed?
It was Formed by the Reaction of the Volcanism 600F under the earths surface where the heat and pressure rose all the Lava and formed the Baja California
How do volcanoes make igneous rock?
Volcanoes are simply an opening in the surface , or a mountain on the surface created by ejecta, from which magma is spewed forth onto the surface. Once the lava has solidified by cooling, it is classified as an extrusive igneous rock.
