There are different types of volcanism, but for the sake of demonstration, let's look at one type only. Volcanism can occur at convergent plate boundaries where the more dense crustal plate subducts under the less dense plate. Usually , this causes uplift and faulting in the non-subducting crust. Rising magma will find the path of least resistance in the crust, usually at these areas of faulting. Magma can be under tremendous pressure due to the expansion of trapped gasses as it rises. Once it finds an outlet to the surface, look out. It's like shaking up a bottle of soda, then opening the cap. The pressure and temperature of the quickly rising magma tears out chunks of surrounding crustal rock, widening the path leading to the release point.
Molten rock that is contained below the earth's surface is known as magma. Once it break the surface of the earth, as in a volcanic eruption, it is called lava.
When spreading molten material rises from the mantle in the sea-floor and erupts, it can create sea mounts, which are underwater mountains. If enough material is ejected, the mounts will break through the surface of the water to create islands.
Magma reaches the Earth's surface through a process called volcanic eruption. This occurs when pressure builds up underground and forces the magma to flow and eventually break through the Earth's surface. Once the magma reaches the surface, it is then called lava.
surface tention
Weathering and erosion are the processes that break down rock at the Earth's surface. Weathering includes physical, chemical, and biological processes that break down rocks into smaller pieces, while erosion involves the movement of these weathered materials by water, wind, ice, or gravity.
Molten rock that is contained below the earth's surface is known as magma. Once it break the surface of the earth, as in a volcanic eruption, it is called lava.
When molten rocks move upward, they can break through the crust, creating volcanic eruptions and forming new landmasses. This process is part of plate tectonics where the movement of molten rock, or magma, plays a key role in shaping the Earth's surface.
When spreading molten material rises from the mantle in the sea-floor and erupts, it can create sea mounts, which are underwater mountains. If enough material is ejected, the mounts will break through the surface of the water to create islands.
erupt
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Water erosion
Denudational processes, which includes, weathering, erosion, deformation, and exfoliation. Mass movement also plays a great role in changing the earths surface.
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Magma reaches the Earth's surface through a process called volcanic eruption. This occurs when pressure builds up underground and forces the magma to flow and eventually break through the Earth's surface. Once the magma reaches the surface, it is then called lava.
Exogenous forces are forces that work above the earths surface and break down landforms. Endogenous forces are forces that work below the earths surface and build up land forms
Sudden forces break the crust of the earth to make openings through which various types of material including molten magma, solid rocks, gases etc. are ejected to the surface from the interior of the earth.
it takes the heat of a meteorite coming through the earths atmosphere