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the source is found underground, and then it is mined

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14y ago

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What composition is earths crust?

oceanic crust is made of basalt while continental crust is made of silica rich rocks like granite.


What layer of the earth contains granite and basalt in the GREATEST abundance?

The crust is the layer of the Earth that contains granite and basalt in the greatest abundance. These rocks are commonly found in the continental crust (granite) and oceanic crust (basalt).


What layer of the Earth is made up of the rocks basalt and granite?

The Earth's outermost layer where basalt and granite are found is called the crust. Basalt is more common in the oceanic crust, while granite is more prevalent in the continental crust.


What are the two most common elements that compose earths continental crust?

Granite and basalt...... + a bunch of bugs n' stuff


Is the earths outer core made out of basalt or granite?

Neither. The Earth's outer core is primarily composed of molten iron and nickel. Basalt and granite are rock types found in Earth's crust, which is above the outer core.


Do basalt and granite have an effect on the arrangement of the crust at present?

Basalt is the main rock of which the oceanic crust is composed of. Continental crust is mainly granitic.


Are basaltic igneous rocks lower in density than granitic rocks?

Granite is very much less dense than basalt. This is why the continental crust (mostly composed of granite) floats on Oceanic crust (made mostly of basalt). Granite is 70 % silicon. Where basalt is mainly pyroxene.


The layer of Earth made up largely of the rocks basalt and granite is the?

The crust.


Where in Earth's crust would you find basalt?

Most basalt is found in the oceanic plates. Most granite is found in the continental plates.


Does basalt form most of the earths crust?

yes


The two types of crust?

Oceanic and Continental crust. Oceanic crust is made of basalt. Continental crust is made of granite


What are two rocks that can be found in the earths crust?

Basalt and limestone.