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Lava starts building up underneath some surface (solid) materials. It is being pushed up by some underground forces. The upward pressure causes a dome like cap covering the 'liquid' lava. Eventually the lava breaks through and you have a volcanic eruption.

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12y ago

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Is a Dome volcano the same as a Lava Dome volcano?

Yes, a Dome volcano and a Lava Dome volcano are the same. A Dome volcano is characterized by the formation of a dome-shaped mound of lava that accumulates around the volcanic vent. Lava Domes are typically associated with eruptions of viscous lava that solidifies quickly, leading to the dome-like structure.


What volcano has a rounded dome?

Lava Dome Volcano


What is lava dome volcano?

A volcano shaped like a dome.


Why is a lava dome called a lava dome?

A lava domes is a structure that forms when a volcano extrudes very viscous lava that builds into a dome-shaped pile rather than flow downhill.


Is a dome volcano the same as a cone volcano. if not - what is a dome volcano?

a dome volcano is not the same as a cone volcano. a dome volcano is a type of volcano, is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. Usually it extrudes very slowly, but constantly. A cone volcano has an appearance of an upside-down funnel with a hole in the top which the lava shoots out of.


What is the length and height of the dome volcano?

its the size my helens 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.


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.


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.


What forms inside the crater of a volcano?

lava dome


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.


Which forms inside the crater of a large volcano?

A caldera may form inside the crater of a large volcano. A caldera is a large depression caused by the collapse of the summit of the volcano following a massive eruption. It can be several kilometers in diameter.