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Did gabbro cool fast or slowly?
Gabbro cooled slowly underground, resulting in the formation of coarse-grained crystals in the rock. This slow cooling process allows large crystals to grow and develop in the molten rock.
What type of crystal grain forms when molten rocks cool slowly?
Quartz
What type of crystal gain that forms when molten rocks cool slowly?
Intrusive
Does magma cool above ground or beneath?
No. Molten rock under the surface is called magma. Molten rock above the surface is referred to as lava.
Why do igneous rock that solidify underground cools so slowly?
They are insulated by the surrounding rock and are in close proximity or part of a hot, molten, or partially molten igneous intrusion.
Did gabbro cool fast or slowly?
Gabbro cooled slowly underground, resulting in the formation of coarse-grained crystals in the rock. This slow cooling process allows large crystals to grow and develop in the molten rock.
What type of crystal grain forms when molten rocks cool slowly?
Quartz
When molten rocks cool it becomes what kind of rock?
igneous rock.
Does the biotite rock cool quickly or slowly?
slowly
What type of crystal gain that forms when molten rocks cool slowly?
Intrusive
What type of crystals grain that forms when molten rock cools slowly?
Quartz
What is a type of crystal grain which is formed when molten rock cools slowly?
It is mineral
Does magma cool above ground or beneath?
No. Molten rock under the surface is called magma. Molten rock above the surface is referred to as lava.
Why do igneous rock that solidify underground cools so slowly?
They are insulated by the surrounding rock and are in close proximity or part of a hot, molten, or partially molten igneous intrusion.
What determines the texture of a rock?
The texture is determined by the rate it takes the molten to cool to form the rock.
Why the molten rocks cools slowly below the earth surface as compared to surface?
Rock is an excellent insulator, meaning that it loses heat slowly and gains it slowly, so an intrusion loses its heat slowly to the country rock, and the country rock absorbs it slowly (some of it undergoing metamorphosis). This means that the rock under the surface cools very slowly. On the surface, water and air cause the heat on the surface of the rock to cool very quickly, forming an noticeable chilled margin. This means that in a lava flow, for example, the surface cools to form something that looks solid, whereas underneath it can still be flowing. Inevitably the lava underneath will cool too, and more quickly than underground, as it is nearer to the cool atmosphere.
How do rocks get a sandpaper texture?
The texture of a rock is determined by the rate it takes the molten to cool to form the rock.
