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Which type of rock is formed above the ground by lava?
The general type is extrusive igneous rock.
What type of rock is formed when magma undergoes crystallization above ground?
Igneous rocks like rhyolite or andesite are formed when magma undergoes crystallization above ground. These rocks cool relatively quickly, resulting in smaller mineral crystals compared to rocks formed from magma crystallizing deep underground.
What types of rocks are formed above ground?
Sedimentary rocks such as sandstone, limestone, and shale are commonly formed above ground. These rocks are typically created through the accumulation and cementation of sediments, often in environments like rivers, deserts, or the ocean. Igneous rocks can also form above ground when magma cools and solidifies on the Earth's surface, forming rocks like basalt and rhyolite.
Is gabbro an intrusive or extrusive igneous rock?
Gabbro is an intrusive igneous rock, whick means that it was formed under ground.
What is one cause of volcanic activity and igneous rock formation?
Igneous rocks are called fire rocks and are formed either underground or above ground. Underground, they are formed when the melted rock, called magma, deep within the earth becomes trapped in small pockets. As these pockets of magma cool slowly underground, the magma becomes igneous rocks. Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground.
What is the difference between the formation of extrusive and igneous rocks?
intrusive:below ground extrusive:at the surface
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..
Can igneous rock be formed above or below ground?
Yes, igneous rocks can be formed both above and below the ground. When molten rock solidifies beneath the Earth's surface, it forms intrusive igneous rocks like granite. If molten rock reaches the Earth's surface and cools rapidly, it forms extrusive igneous rocks like basalt.
What rock types are formed above ground?
Extrusive igneous rocks and some sedimentary rocks are formed above ground.
What is the theory of igneous rock?
Igneous rock is formed from solidification of magma either above or below ground.
Which type of rock is formed above the ground by lava?
The general type is extrusive igneous rock.
Which types of rocks are formed above ground?
Extrusive igneous rocks are one type of rocks that can be formed above the ground. Sedimentary rocks can also be formed above the ground.
Is all igneous rock formed by volcanoes?
No. Igneous rock is simply the solid substance left when magma or lava hardens, above ground or below ground.
What kinds of rock are formed by volcanoes?
Extrusive igneous rocks are formed from the solidification of magma above ground.
How egneous rocks are formed?
Igneous rocks are types of rocks that are formed by fire. They can be formed in the ground from magma that gets trapped in air pockets. Above ground they can form when lava cools along the ground.
What type of rock is formed when magma undergoes crystallization above ground?
Igneous rocks like rhyolite or andesite are formed when magma undergoes crystallization above ground. These rocks cool relatively quickly, resulting in smaller mineral crystals compared to rocks formed from magma crystallizing deep underground.
What are the characteristics of igneous rocks formed underground?
Usually they have larger crystals and coarser grain than those formed above ground.
