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Because for the last 30 years scientistshave confirmed the existence of mantle plumes.

Visual evidence.

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12y ago

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What evidence would confirm the existence of mantle plumes?

Confirmation of the existence of mantle plumes can be supported by evidence such as hotspots causing volcanic activity not associated with plate boundaries, geochemical signatures in volcanic rocks consistent with deep mantle sources, and seismic tomography revealing vertical conduits of hot material rising from deep within the mantle.


What are plumes of molten rock originating deep within the mantle known as?

Plumes of molten rock originating deep within the mantle are known as mantle plumes. These plumes are believed to be responsible for hotspots and volcanic activity at the Earth's surface.


Plumes of the molten rock originating deep within the mantle are known as?

Mantle plumes. These are hot upwellings of magma from the Earth's mantle that can cause volcanic activity on the surface, such as hotspot volcanoes like those in Hawaii.


Does mantle plumes sink into the core?

no


What are hot spots cause by?

Mantle plumes


How many mantle plumes are on earths surface?

22


What are columns of hot rock rising through earth's mantle called?

Columns of hot rock rising through Earth's mantle are called mantle plumes. These plumes originate near the core-mantle boundary and can cause volcanic activity on the Earth's surface when they reach the crust, creating features like hotspot volcanoes.


When will melted rock in the mantle rise?

Melted rock in the mantle will rise when it becomes less dense than the surrounding solid rock and forms buoyant plumes. This can be triggered by heat sources such as mantle plumes or subduction zones.


Is Iceland on the mid ocean ridge?

It is on the edge not very close by the mantle plumes


Where do volcanoes commonly erupt?

In areas of tectonic activity and above mantle plumes.


What is mantle plume?

A mantle plume is a column of hot rock rising from deep within the Earth's mantle to the surface. These plumes can cause volcanic activity and create features like hotspots and mid-ocean ridges. Mantle plumes are thought to be responsible for some of the most significant geological phenomena on Earth.


What forms to a mantle plume?

Mantle plumes result in the formation of hot spots.