The core of the Earth is the deepest layer of the planet, which is divided into inner and outer core, these being very hot and dense composed of ferromagnetic minerals responsible for generating the electromagnetic field that surrounds the planet.
The core is mainly composed of iron, with 5-10% nickel and other minor elements such as sulfur and oxygen and other ferromagnetic minerals, these materials exist both in the inner and outer core, only in liquid form on the outer core and solid in its inner core.
- The outer core, that is, its most superficial layer, consists of iron, nickel and other molten metals, it is a layer subjected to very violent convection processes, whose displacement precisely generates the Earth's magnetosphere, acting as a gigantic dynamo.
- The inner core, its deepest layer, is composed of 70% iron and 30% nickel in a solid alloy, acting as a stabilizer of the magnetic field created by the liquid outer core.
Therefore, we can conclude that the liquid outer core generates the geomagnetic field and the solid inner core stabilizes it, both layers are composed of iron being these very hot and dense.
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