The Qur’ān on Mountain Pegs

The Dawah Center – Quran & Science


The book entitled ‘Earth’ is a basic reference textbook in many universities around the world. One of its two authors is Professor Emeritus Frank Press. He was the Science Advisor to former US President Jimmy Carter, and for 12 years was the President of the National Academy of Sciences, Washington, DC. His book says that mountains have underlying roots. [E. F. Press, Earth, p. 435.] These roots are deeply embedded in the ground, thus, mountains have a shape like a peg (see figures 7, 8, & 9 below).


This is how the Qur’ān has described mountains. God has said in the Qur’ān:

“Have We not made the earth a resting place? And the mountains as stakes (pegs)?”

Qur’ān 78: 6-7

Modern earth sciences have proven that mountains have deep roots under the surface of the ground [see Figure 6] and that these roots can reach several times their elevations above the surface of the ground. So the most suitable word to describe mountains on the basis of this information is the word ‘peg,’ since most of a properly set peg is hidden under the surface of the ground. The history of science tells us that the theory of mountains having deep roots was introduced only in the latter half of the nineteenth century. [Naggar, El-, The Geological Concept of Mountains in the Qur’ān, p. 5.]

Mountains also play an important role in stabilizing the crust of the earth. [Naggar, p. 44] They hinder the shaking of the earth. God has said in the Qur’ān:

“And He has cast into the earth firmly set mountains, lest it shift with you, and [made] rivers and roads, that you may be guided.”

Qur’ān 16: 15

Likewise, the modern theory of plate tectonics holds that mountains work as stabilizers for the earth. This knowledge about the role of mountains as stabilizers for the earth has just begun to be understood in the framework of plate tectonics since the late 1960’s. [Naggar, p. 5] Could anyone during the time of the Prophet Muhammad have known of the true shape of mountains? Could anyone imagine that the solid massive mountain which he sees before him actually extends deep into the earth and has a root, as scientists assert? A large number of books of geology, when discussing mountains, only describe that part which is above the surface of the earth. This is because these books were not written by specialists in geology. However, modern geology has confirmed the truth of the Qur’ānic verses.

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