The Letter Qaf - 50:7
And the earth We spread out, and We placed mountains in it, and We caused all kinds of beautiful plants to grow in it.
How were the mountains placed on the earth?
Those Who Pull Out/79:32
He has also made the mountains.
The News/78:7
And the mountains as stakes?
Luqman/31:10
He created the heavens without a pillar that you see. And He placed stabilizers on the earth that you may not be shaken, and He spread therein every kind of creature. And We rained down water from the sky, and We caused to grow therein every beautiful variety.