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What texture does magma in two cooling stages first slowly then quickly?
very coarse
What affects the grain size of igneous rock?
Porphyritic texture indicates that a magma has gone through a two stage cooling process. The magma has cooled sufficiently underground to allow some minerals to crystallize and grow in size; the magma is then expelled above ground where the remaining liquid magma solidifies quickly, allowing only small crystals to develop.
What is slow cooling magma far beneath earth's surface?
The slow cooling of magma far beneath earth's surface creates the rock inside earth to change slowly... this means that earths surface changes in times because of this cooling magma.
What determine the texture of igneous Rock?
The texture is mostly determined by the time spent in cooling from magma or lava. The quicker the transition from molten to solid, the finer the texture.
Is the texture of an igneous rock determined by the composition of the magma?
No. The texture is determined by the amount of time the magma had to cool and solidify. Slow cooling magmas produce larger crystals and therefore have a coarse grained texture. Quick cooling magma or lava produce small crystals and a fine grained rock texture.
What factors can effect the texture of a igneous rock?
The texture is determined by the rate it takes the molten to cool to form the rock.
What kind of texture is slow cooling of magma far beneath earth's surface?
Slow cooling of magma far beneath earth's surface has a phaneritic texture (this means that the individual crystals are large enough to be seen with the naked eye).
How is the texture of an igneous rock related to the rate which it cooled?
Quick cooling of magma results in small crystal formation. Slow cooling magma results in larger crystals.
What texture does magma in two cooling stages first slowly then quickly?
very coarse
What factors can affect the texture of an igneous rock?
The length of time the magma had to cool
What affects the grain size of igneous rock?
Porphyritic texture indicates that a magma has gone through a two stage cooling process. The magma has cooled sufficiently underground to allow some minerals to crystallize and grow in size; the magma is then expelled above ground where the remaining liquid magma solidifies quickly, allowing only small crystals to develop.
What is slow cooling magma far beneath earth's surface?
The slow cooling of magma far beneath earth's surface creates the rock inside earth to change slowly... this means that earths surface changes in times because of this cooling magma.
What determine the texture of igneous Rock?
The texture is mostly determined by the time spent in cooling from magma or lava. The quicker the transition from molten to solid, the finer the texture.
What kind of igneous rock texture results from slow cooling magma?
A coarse grained texture, referred to as a phaneritic texture, will be the resultant igneous rock texture. The slower the magma cools the more time minerals have to crystallize and thus grow bigger.
How does the rate of cooling affect the type of igneous rock formed?
The rate at which the rock cool from the liquid magma determines their texture
Is the texture of an igneous rock determined by the composition of the magma?
No. The texture is determined by the amount of time the magma had to cool and solidify. Slow cooling magmas produce larger crystals and therefore have a coarse grained texture. Quick cooling magma or lava produce small crystals and a fine grained rock texture.
How Do Glassy Texture Igneous Rocks Form?
They form from the extremely rapid cooling of lava or magma. The quick cooling does not allow time for the crystallization of minerals, resulting in the formation of a natural glass.
