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The hot spots in the oceanic crust are caused by upwellings of hotter material (known as mantle plumes) in the mantle below the crust.

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Q: What are hot spots in the crust caused by?
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Related questions

Do hot spots form only under oceanic crust?

No, there is a hot spot underyellowstone


What are Hawaiian Lava Beds made out of?

magma from hot spots in the crust


Do hot spots create or destroy oceanic or continental crust?

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Do hot spots only form in oceanic crust?

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Is volcanic activity on Venus caused by plate tectonics?

No. Scientists believe that the crust of Venus is too thick to support plate tectonics. Volcanic activity is likely driven by hot spots.


Some volcanoes form over thin places in earths crust called?

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Caused by magma pushing upward through weak spots in the earth's crust?

Volcanic eruption occurs.


What is the cause of the volcanoes in Hawaii?

The volcanoes in both Yellowstone and Hawaii are associated with hot spots. These are areas of especially hot mantle where some melting occurs. In Hawaii the hot spot melts oceanic crust, creating basaltic magma that most erupts effusively. In Yellowstone the hot spot melts continental crust, creating viscous rhyolitic magma that erupts explosively.


What causes hot spots?

A hot spot, a place where volcanic activity has occured for many years, is caused by small streams of magma moving upward toward the crust. If a hot spot occurs between two tectonic plates, a volcano could form.


What are the deccan plateau hot spots and hawaii hot spots examples of?

They are examples of the flow of heat from the interior of the Earth to the surface through a fixed spot in the mantle which melts through the moving crust. Better known as a 'hot spot'.


Cause of hot springs and fracture zones?

Hot springs are the product of geothermally heated water that breaks through the surface. Fracture zones are caused by movement of a nearby transform boundary. The uppermost part of the basaltic, oceanic crust tends to be very brittle; therefore, the crust will break in various spots as means of 'instantaneous stress relief'.


What causes hot spots in brake rotors?

Hot spots are caused by over heating the rotors Causes: "riding" the brakes, faulty brake components, general abuse