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The magma slowly cools over time into intrusive igneous rock. Later, often because the land is uplifted, the surrounding rock is eroded. Intrusive igneous rock, however, is often quite resistant to erosion, and so remains in place.
Ferne Streich
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How do landforms form magma form and become exposed?
The magma slowly cools over time into intrusive igneous rock. Later, often because the land is uplifted, the surrounding rock is eroded. Intrusive igneous rock, however, is often quite resistant to erosion, and so remains in place.
When a rock is exposed to weathering or erosion it will form?
If magma is solidified it will form
After millions of years what landforms form from hardened magma in the pipe of an extinct volcano?
Volcanic neck
In what order does magma become a rock?
Magma forms from heated rock--it cools--minerals form--when totally solidified it is a rock.
What happens to the magma after being pushed upward and exposed at the surface of the ocean floor?
The lava would form pillow basalts.
What happen to the magma after being pushed upward and exposed at the surface of the ocean floor?
The lava would form pillow basalts.
What does magma need to do for a rock to form?
Magma is basicaly the same as lava, except magma is still in the volcano, when magma has come out of the volcano, it has become lava.
How obsidian rocks form?
They are formed when either a sedimentary rock or a metamorphic rock are exposed to high heat and turn into magma and then cool quickly.
What forms when magma hardens in a volcane pipe and is latter exposed?
A volcanic plug. Frequently when glacially eroded these plugs form crag and tail feature.
What rock families can form magma if hot enough?
All the three existing rock families/types/classes (ie, igneous, sedimentary and metamorphic rocks) can form magma, if they become hot enough to melt and change to molten form.
How does magma become a igneous rock?
Igneous rock, if heated sufficiently by subduction processes will melt to form magma.
How did devils tower form?
A loooooooong time ago it was classified as a Stratovolcano. When it erupted, the magma cooled and hardened in the volcano. Eventually, the outer part eroded away, causing the cooled magma to be exposed. After that, it was then classified as an extinct volcano, and to this day it is a popular tourist attraction.
