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What is the Term that is used to describe when magma rises to earth's surface but does not occur at a boundary?
term that is used to describe when magma rises to earth's surface but does not occur at a boundary
How volcanoes occur?
Volcanoes occur when the earth cools off, and releases internal heat and pressure. Magma is a lower density than the surrounding rocks, and this causes it to rise to the surface. As it rises, gas bubbles form in the magma, exerting pressure, causing the magma to erupt out of the surface of the earth.
Is felsic magma eruptive?
Not usually. Because it is so viscous, felsic magma does not erupt as easily as mafic magma. While eruptions of felsic magma do occur, most felsic rocks are intrusive, meaning they solidify underground.
Why do volcanoes occur on the thinnest part on the crust?
it is easier for the magma to break through
What process brings chemical changes in magma?
Crystallization is the process where chemical changes occur in magma. As magma cools, minerals within the magma start to solidify and form crystals, altering the chemical composition of the remaining magma. This process can lead to the formation of a variety of igneous rocks with different mineral compositions.
What happens as magma in a magma chamber forces its way up through weak spots of the crust?
The surface of the crust will bulge, and an eruption of a volcano may occur.
When magma does not have enough pressure to break through t is called a?
When magma does not have enough pressure to break through the Earth's surface, it is referred to as "magma being trapped" or "magma stagnation." This can occur in magma chambers where the pressure is insufficient to overcome the surrounding rock, preventing an eruption. As a result, the magma can cool and crystallize underground, forming intrusive igneous rocks.
What happens as magma in a magma chamber forces it's way up through weak spots of the crust?
The surface of the crust will bulge, and an eruption of a volcano may occur.
Why do supervolcanoes occur?
super volcanoes can occur when the magma rises into the crust from a hotspot but is unable to breakthrough the crust. Pressure builds in a large and growing magma pool until the crust is unable to contain the pressure.
Why do earthquakes and valcanoes occur in plate boundaries?
It's easier for the magma to break through the crust.
What can titanium ores occur as?
vein mineral deposits, magma formed rocks, &beach sands.
Does an earthquake occur when magma from the magma chamber rises?
No, an earthquake typically occurs when there is sudden movement along a fault line in the Earth's crust, releasing accumulated stress. The rise of magma from a magma chamber may trigger small earthquakes due to the movement of surrounding rocks, but it is not the direct cause.
