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Igneous rocks that result when lava solidifies are classified as what?
Igneous rocks that result from lava solidifying above ground are classified as extrusive igneous rocks. These rocks cool quickly, leading to small mineral grains and a fine-grained texture. Examples include basalt and rhyolite.
Which type of rock is formed above the ground by lava?
The general type is extrusive igneous rock.
Which igneous rock can be intrusive and extrusive?
A porphyritic igneous rock demonstrates some extrusive characteristics and some intrusive characteristics. The appearance of phenocrysts (larger crystals) in a fine matrix (small crystals) indicates that the magma had time to cool slowly enough underground to form larger crystals before being erupted at or near the surface.
Is gabbro an intrusive or extrusive igneous rock?
Gabbro is an intrusive igneous rock, whick means that it was formed under ground.
What are Cracks in the ground caused by earthquakes called?
cracks in the ground caused by earthquakesFaults. Cracks in the earths crust usually caused by earthquakes are called faults.No, their not! Faults are to do with tectonic plates, earthquake cracks are called earthquake cracks.
How does mag ma form into extrusive igneous rock?
When molten magma is forced upwards through cracks and weaknesses in the bedrock, on cooling on the surface, an extrusive igneous rock is formed. If the cooling takes place below ground, it is an intrusive formation.
When molten rock undergoes crystallization above ground what type of rock results?
Extrusive igneous rock is the result of above ground crystallization.
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 are the main two types of igneous rocks?
Igneous rocks are classified as either extrusive or intrusive. Extrusive rocks form from lava at or above the ground, and intrusive rocks form from magma below the ground. Granite is intrusive, pumice is extrusive.
What is the difference between the formation of extrusive and igneous rocks?
intrusive:below ground extrusive:at the surface
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.
Is igneouse rocks in the ground or above?
Igneous rocks can be found both in the ground and above ground. Igneous rocks form from the cooling and solidification of magma or lava, which can happen below the Earth's surface (intrusive igneous rocks) or on the surface (extrusive igneous rocks).
What rock types are formed above ground?
Extrusive igneous rocks and some sedimentary rocks are formed above ground.
What kinds of rock are formed by volcanoes?
Extrusive igneous rocks are formed from the solidification of magma above ground.
Igneous rocks that result when lava solidifies are classified as what?
Igneous rocks that result from lava solidifying above ground are classified as extrusive igneous rocks. These rocks cool quickly, leading to small mineral grains and a fine-grained texture. Examples include basalt and rhyolite.
When molten rock undergoes crystallization above ground what type of rock result?
Extrusive igneous rock is the result of above ground crystallization.
When molten rock undergoes crystallization above ground what type of rocks result?
Extrusive igneous rock is the result of above ground crystallization.
