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The oceanic crust is made out of basalts - (lava-hardened Iron/Magnesium Silicate mixtures which solidified rapidly).

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Crust under the ocean is called?

Crust under the oceans is called oceanic crust.


What is the portion of the ocean floor that is made up of oceanic crust?

Approximately 60% of the ocean floor is made up of oceanic crust. Oceanic crust is typically thinner and denser than continental crust, and it forms at mid-ocean ridges through volcanic activity.


What is the compition for the crust?

Crust is made up of mainly granite, a felsic rock wit a lower density than basalt, what makes up the ocean's crust, thus why the continental crust rises up compared to ocean crust.


Is Mount Kilimanjaro made of continental crust or oceanic crust?

Of course it's continental crust! If it were made of oceanic crust, it would be underwater or some large island starting at the bottom of the ocean floor!


What is the crust beneath the ocean made up basalt?

yes, it is made up of basalt, if that was your question.... ;)


Ocean crust dives below continental crust because?

Ocean crust is denser


What is the ocean's crust made up of?

The oceanic crust is made up of mafic rocks which is rich in magnesium and iron. These rocks are also referred to as sima. The oceanic crust is similar to the continental crust, except it is thinner yet denser.


Why the crust is thinner than the ocean floor?

The Earth's crust is thinner than the ocean floor because the oceanic crust is formed at mid-ocean ridges where heat from the mantle creates new crust through volcanic activity. This process creates younger, hotter, and thinner crust in the ocean compared to the older and thicker continental crust.


What is a gradually sloping portion of the ocean floor that is made of the continental crust?

Continental shelf.


What is a gradually Sloping portion of the ocean floor that is made of continental crust?

Continental shelf.


Does the earths crust include both the ocean floor and dry land?

Yes, the Earth's crust includes both the ocean floor and dry land. The crust is the outermost layer of the Earth, made up of continental crust (which forms dry land) and oceanic crust (which forms the ocean floor). Together, these two types of crust make up the Earth's lithosphere, supporting a variety of geological features and ecosystems.


Is ocean crust a solid liquid or gas?

you should know this no i am not giving an answer but i will give a example......ex.the ocean is made up with water.what does that have it