And the mountains will be powdered to dust,meaning, relentlessly pulverized.This was said by Ibn Abbas, Mujahid, Ikrimah and Qatadah and others.Ibn Zayd said:"The mountains will become just like Allah described them, كَثِيباً مَّهِيلً A heap of sand poured out. (73:14)"Allah's saying:فَكَانَتْ هَبَاء مُّنبَثًّا