Earth's geological layers :
- Crust
- Mantle
- Core
We can compare these ground formations with the boiled egg formations where the crust is crusty and low in thickness compared to other layers. The depth of the outer crust of the Earth under the oceans is not more than 5 km, but the depth of the crust under the continents is variable and the limit of 30 km average. The depth of the crust under the mountains as high as the Alps, for example, reaches a depth of 100 km Here we must mention the verse in the Koran, The people ask about the great news that they are different, both will know and then they will know, did not we make the earth a mountain and the mountains of Utada *
The crust is brittle and brittle, under the earth's crust extends the so-called "mental" mantle, which is medium-hardened rocks with a high temperature of about 2,900 km. This area is characterized by rocks that contain iron, magnesium and calcium more than the outer crust rocks and the degree The heat of the rocks increases with increasing depth, and we can compare the layer of the veil with the layer of albumin (the white layer) in the boiled egg.
The Earth Center contains minerals such as iron and nickel more than twice that of the rocks of the Hijab. We must refer to verse 25 of Al-Hadid. The center of the earth consists of two layers, the first area of the outer depth of 2200 km, which is a liquid area of liquid and the center area of the interior is a depth of 1250 kilometers from a solid area.
The outer part of the mental veil is colder and more solid than the inner part, called the Earth's crust. Lithosphere is derived from the Greek word lithos or lithosphere stones, which are of little thickness under the oceans and volcanic regions and are at least 80 kilometers deep . This area of Lithosphere has broken down into what is now known as the plateau and plateau of existing continents and oceans.
Scientists believe there is a layer under the Lithosphere in the mental veil called Asthenosphere, derived from the Greek word Asthenes, which means weak in English or weak region. This area consists of moving fluid hot rocks, we can imagine that the Lithosphere area floats above the Asthenosphere layer
From the above we can say that the earth's crust is not inert but it is a moving object, the earth's crust and the depths of the earth with a permanent movement.
The rocks under the Lithosphere move in a circular way. This can be likened to the movement of the boiling water in the pot up and down as the hot water rises to the surface of the pot and then spreads and cools and then sinks down as it is heated again and climbs up.