There is no part of the earth's crust that is mostly composed of just iron. However the rocks composing the oceanic crust (basalt and gabro for example) are enriched in iron and magnesium minerals when compared to the rocks forming the continental crust.
In terms of the whole Earth, the core is enriched in iron with an estimate that it is composed of approximately 85% iron.
It is supposed that the Earth core is composed from iron and nickel.
The iron core of the earth is solid because the immense pressure near the center of the earth, due to gravity, keeps the iron in a solid state, even though it is hot.
The word equation for the reaction when iron forms hematite in the Earth is: Iron + Oxygen β Hematite.
The Earth's inner core is mostly made up of solid iron due to the immense pressure within the planet that can keep iron solid even at high temperatures. The outer core is liquid iron, and the Earth's mantle and crust are composed of silicate rocks.
We get it from the Earth.
Iron
No. It is made from iron found in the earth.
Yes
You can find the most Iron and nickel in the earth's inner and outer core.
You will find Earth crystals the same place you will find Iron ore. Sometimes even in the rock.
5150km
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Molten iron is primarily found in the outer core of the Earth, which is a layer of liquid iron and nickel that surrounds the solid inner core. The high temperatures and pressures in the outer core keep the iron in a liquid state.
outer core