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What forms when magma rises?
When magma rises, it can solidify to form igneous rocks like granite or basalt. If the magma reaches the Earth's surface, it can erupt as lava and form volcanic landforms such as volcanoes or volcanic islands.
What are the differences between a lava plateau and a dome mountain?
In dome mountains, uplift pushes a large body of hardened magma toward the surface. The hardened magma forces the layers of rock to bend upward in a dome shape. In a lava plateau, lava can flow out of two long cracks in an area. The thin, runny lava floods the area and travels far before cooling and solidifying.
How are lava plateaus and dome mountains the same?
Lava plateaus and dome mountains are both volcanic landforms that form from the extrusion of lava onto the Earth's surface. They are typically characterized by their broad, flat tops and gentle slopes. Both landforms result from the accumulation of lava over time and can be associated with effusive volcanic eruptions.
Compare and contrast lava plateaus and dome mountain.?
Both landforms develop as a result of the upward movement of molten material. Lava plateaus are high, level areas that form when thin, runny lava repeatedly erupts on the surface. In contrast, dome mountains are high, dome-shaped areas that form when hardened magma is uplifted and bends the layers of rock above it into a dome.
What type of rock formed after magma or lava cooland harden?
Igneous rock forms after magma or lava cools and hardens. Examples include basalt, granite, and obsidian.
A forms when magma slowly rises up inside the crater of a larger volcano.?
When magma slowly rises up the inside the crater of a larger volcano, it forms a Lava Dome.
Why did the Lassen peak volcano erupt?
Mt. Lassen is a lava dome type of volcano. The domes of lava dome volcanoes grows from within, and commonly occur within the craters or on the flanks of large composite volcanoes.
Where does the volcano keep the lava?
When lava is underground it is called magma. Magma is generally stored in a magma chamber dome distance beneath the volcano. Periodically, fresh magma may be injected into the magma chamber from the mantle.
What type of material is ejected from a plug dome volcano?
Plug dome volcanoes typically eject viscous magma, which is known as rhyolite lava. This lava is thick and flows slowly, leading to the formation of steep-sided domes as it cools and hardens. As a result, plug dome volcanoes tend to have explosive eruptions due to the high pressure build-up of gas within the viscous magma.
What type of plate boundary is a lava dome volcano on?
A lava dome volcano is typically found at convergent plate boundaries, where two tectonic plates are colliding. The magma from the volcano is usually thick and sticky, causing it to build up and form a dome-shaped structure.
What type of rock contains lava or magma?
The type of rock that contains lava or magma is an igneous rock.
What type of volcano is characterized by low silica magma and relatively nonviolent eruptions?
flood basalt, lava dome, and shield volcanoes do.
What type of lava does a lava dome hold?
A lava dome holds very viscous lava, which is why it forms a dome rather than flowing away. Usually it is rhyolite or dacite.
What type of rocks is formed by coolong magma or lava?
The type of rock formed by cooling of Magma or Lava is Igneous
Is lava dome a type of volcano?
Not exactly. Some volcanoes do consist of simply a lava dome, but most lava domes are found in or on stratovolcanoes.
Lava is a type of magma but not all magma is lava?
Magma is molten rock beneath the Earth's surface, while lava is magma that reaches the surface through a volcano or fissure. So, while all lava was once magma, not all magma will reach the surface as lava.
What type of lava comes out of hekla?
Magma type.
